reglab/statecodes huggingface dataset:
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1604 - Definitions; P

Current through Vol. 24-12, July 15, 2024
Rule 104.
(1)
				  "Permanent casing" means durable, impervious pipe placed or driven into the
				  borehole and left in place to maintain the well opening.
(2) "Pitless adapter" means a device or
				  assembly of parts which will permit water to pass through the wall of the well
				  casing or extension thereof and which provides access to the well and to the
				  parts of the water supply system within the well in a manner to prevent the
				  entrance of contaminants into the well and the water produced.
(3) "Potable water" means water which is free
				  of contaminants in concentrations that may cause disease or harmful
				  physiological effects and which is safe for human consumption.
(4) "Pressure tank" means a closed water and
				  air storage container that modulates the water supply system pressure within a
				  selected range.
(5) "Priming" means
				  the filling of a pump with water and the action of starting the flow in a
				  pump.
(6) "Pumping equipment" means
				  equipment or materials that are used or intended to assist a pump in
				  withdrawing groundwater from a well, including any of the following:
(a) Seals and other safeguards to protect the
				  water from contamination.
(b)
				  Associated fittings.
(c) Intake and
				  discharge piping.
(d) Controls to
				  provide sanitary water storage facilities and deliver water to a distribution
				  piping system.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1605 - Definitions; R to T

Current through Vol. 24-12, July 15, 2024
Rule 105.
(1)
				  "Recharge well," as used in section 12701 of the act, means a well used to
				  discharge groundwater into an aquifer.
(2) "Static water level" means the distance
				  measured from the ground surface to the water surface in a well that is neither
				  being pumped nor under the influence of pumping.
(3) "Suction line" means a pipe or line that
				  is connected to the inlet side of a pump or any pipe or line connected to a
				  casing or pump which is or may be at less than atmospheric pressure (0
				  psig).
(4) "Sump" means a shallow
				  excavation into the ground in which the side walls may be supported by material
				  other than steel casing. Water may enter the sump by drainage over the ground
				  or by seepage through the side walls and bottom.
(5) "Surface water" means water that rests or
				  flows on the surface of the ground.
(6) "Temporarily abandoned well" means a well
				  that is not in use, but intended by the owner to be used as a source of
				  groundwater.
(7) "Temporary casing"
				  means durable pipe placed or driven into a borehole to maintain an open annular
				  space around the permanent casing during construction of a well.
(8) "Test well," as used in section 12701 of
				  the act, means a well that is used to obtain information on groundwater
				  quantity, quality, or aquifer characteristics for the purpose of designing or
				  operating a water supply well.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1606 - Definitions; V to Y

Current through Vol. 24-12, July 15, 2024
Rule 106.
(1)
				  "Wastewater" means a liquid waste that includes any of the following:
(a) Human excreta.
(b) Wastes from a sink, lavatory, bathtub,
				  shower, or laundry.
(c) Any other
				  liquid waste of organic or chemical nature, either singularly or in
				  combination.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1608 - Authorized activities

Current through Vol. 24-12, July 15, 2024
Rule 108.
(1) A
				  registered well drilling contractor may perform the well drilling activities
				  that are set forth in R 325.1606(4) and pump installation activities that are
				  set forth in R 325.1603(8).
(2) A
				  registered pump installer may perform the pump installation activities that are
				  set forth in R 325.1603(8), but shall not perform well drilling activities that
				  are set forth in R 325.1606(4).
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1610 - Adoption of standards and specifications

Current through Vol. 24-12, July 15, 2024
Rule 110.
(1) These
				  rules refer to the following standards and specifications of nationally
				  recognized organizations or associations that are in effect and adopted by
				  reference in these rules:
(a) The following
				  ASTM International standards, which are available for purchase from ASTM
				  International, 100 Bar Harbor Drive, PO Box C700, West Conshohocken,
				  Pennsylvania 19428-2959:
(i) ASTM
				  specification A 53-90b, "Standard Specification for Pipe, Steel, Black and
				  Hot-Dipped, Zinc-Coated Welded and Seamless."
(ii) ASTM specification A 106-91, "Standard
				  Specification For Seamless Carbon Steel Pipe for High Temperature
				  Service."
(iii) ASTM specification
				  A 589-89a, "Standard Specification for Seamless and Welded Carbon Steel
				  Water-Well Pipe."
(iv) ASTM
				  specification F 480-90, "Standard Specification for Thermoplastic Water Well
				  Casing Pipe and Couplings Made in Standard Dimension Ratios (SDR)."
(v) ASTM specification D 1785-91, "Standard
				  Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe Schedules 40, 80,
				  and 120."
(vi) ASTM specification D
				  2239-89, "Standard Specification for Polyethylene (PE) Plastic Pipe (SIDR-PR)
				  Based on Controlled Inside Diameter."
(vii) ASTM specification D 2241-89, "Standard
				  Specification for Poly(Vinyl Chloride) (PVC) Pressure-Rated Pipe (SDR
				  Series)."
(viii) ASTM specification
				  D 2662-89, "Standard Specification for Polybutylene (PB) Plastic Pipe Based on
				  Controlled Inside Diameter."
(ix)
				  ASTM specification D 2666-89, "Standard Specification for Polybutylene (PB)
				  Plastic Tubing."
(x) ASTM
				  specification D 2737-89, "Standard Specification for Polyethylene (PE) Plastic
				  Tubing."
(xi) ASTM specification C
				  150-89, "Standard Specification for Portland Cement."
(xii) ASTM specification C 595/C 595M-21,
				  "Standard Specification for Blended Hydraulic Cements."
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1611 - Application of rules to existing water supplies

Current through Vol. 24-12, July 15, 2024
Rule 111.
(1) When
				  extensive changes or repairs are made to a water supply system that was
				  constructed before the effective date of these amendatory rules, the changes or
				  repairs shall be in compliance with the provisions of these rules unless a
				  deviation is issued pursuant to the provisions of R 325.1613. Extensive changes
				  include replacing the entire casing, removing a casing from the ground, or
				  changing aquifers.
(2) Upgrading a
				  water supply system to conform with these rules is not required when minor
				  repairs to the system occur, such as any of the following:
(a) Replacing a telescoped well
				  screen.
(b) Changing screen
				  elevation.
(c) Deepening or
				  plugging back a bedrock well.
(d)
				  Installing a liner pipe.
(e)
				  Replacing a pump, controls, pump drop pipe, or pressure tank.
(f) Chemical treatment of the well or well
				  disinfection.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1612 - Compliance with regulations and local codes

Current through Vol. 24-12, July 15, 2024
Rule 112. A person who installs a well, pump, or pumping
					 equipment shall comply with applicable laws, regulations, ordinances, and
					 codes, including all of the following:
(a) Act No. 399 of the Public Acts of 1976,
				  as amended, being §325.1001 et seq. of the Michigan Compiled Laws. (safe
				  drinking water act)
(b) Act No. 266
				  of the Public Acts of 1929, as amended, being §338.901 et seq. of the
				  Michigan Compiled Laws. (state plumbing code)
(c) Act No. 154 of the Public Acts of 1974,
				  as amended, being §408.1001 et seq. of the Michigan Compiled Laws.
				  (occupational safety and health act)
(d) Act No. 53 of the Public Acts of 1974, as
				  amended, being §460.701 et seq. of the Michigan Compiled Laws. (utility
				  damage prevention act)
(e) Act No.
				  217 of the Public Acts of 1956, as amended, being §338.881 et seq. of the
				  Michigan Compiled Laws. (electrical administrative act)
(f) Act No. 331 of the Public Acts of 1976,
				  as amended, being §445.901 et seq. of the Michigan Compiled Laws.
				  (consumer protection act)
(g) Any
				  local code of a municipality which regulates the installation of a well, pump,
				  or pumping equipment and which is not less restrictive than these rules. If a
				  local board of health, in the discharge of its duties to protect the public
				  health, deems it necessary to establish requirements that are more stringent
				  than these rules, it shall do so and file a record of the requirements with the
				  director. Well drilling contractors who drill wells in the counties that are
				  affected by the more stringent requirements shall be notified, in writing, by
				  the department or local health department not less than 5 days before the
				  effective date of the modified requirements.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1621 - Location and construction of wells generally

Current through Vol. 24-12, July 15, 2024
Rule 121.
(1) All
				  of the following provisions apply to well location:
(a) A well shall be located with due
				  consideration of all of the following:
(i) Lot
				  size.
(ii) Hydrogeology.
(iii) Site topography.
(iv) Soil characteristics.
(v) Other factors that are necessary to
				  implement the provisions of these rules.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1622 - Wells; distances from contamination sources

Current through Vol. 24-12, July 15, 2024
Rule 122.
(1) A
				  well that furnishes water for any beneficial use shall be located where it is
				  not subject to contamination. Groundwater contaminant movement is influenced by
				  the type of contaminant, groundwater flow direction and velocity, and other
				  hydrogeologic, geologic, and geochemical factors. If available, hydrogeologic
				  data shall be used to select well location. Where possible, a well shall be
				  located upgradient of a potential or known source of contamination. A well
				  shall be located the maximum practical distance from a potential or known
				  source of contamination. The following minimum horizontal distances shall be
				  maintained when locating a well:
(a) Eight
				  hundred feet from either of the following:
(i)
				  The active work area of a landfill, as defined in R 299.4101.
(ii) Land surface application of septage
				  waste, as defined by section 2 of Act No. 181 of the Public Acts of 1986, being
				  §325.312 of the Michigan Compiled Laws.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1624 - Wells; relation to buildings and access for maintenance

Current through Vol. 24-12, July 15, 2024
Rule 124.
(1) A
				  well shall be located not less than 3 feet horizontally from a building, pump
				  room, or any projection thereof, unless a deviation is issued pursuant to the
				  provisions of R 325.1613.
(2) A
				  well shall be accessible for cleaning, treatment, repair, testing, inspection,
				  and other attention as may be necessary. A well owner shall maintain access to
				  a well for a well drilling machine.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1625 - Wells; areas subject to flooding

Current through Vol. 24-12, July 15, 2024
Rule 125.
(1) A
				  well shall not be located in an area that is subject to flooding unless the
				  well is protected as prescribed, in writing, by the health officer.
(2) A well owner shall grade the ground
				  surface that is immediately adjacent to the well casing so surface water is
				  diverted away from the well.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1626 - Construction of wells; steel casing

Current through Vol. 24-12, July 15, 2024
Rule 126.
(1)
				  Steel pipe that is used as permanent well casing shall be new pipe that is
				  manufactured in compliance with the standards of ASTM specification A 53-90b, A
				  106-91, or A 589-89a or in compliance with the standards of API specification
				  5L-90. The specifications are adopted by reference in R 325.1610.
(2) Steel pipe that is used as permanent well
				  casing shall be at least standard weight or schedule 40 through 10 inches
				  inside diameter. Larger diameter pipe shall be at least standard weight.
				  Weights and dimensions of standard weight or schedule 40 pipe are set forth in
				  ASTM specification A 53-90b, A 106-91, and A 589-89a, API 5L-90 specification,
				  and in table 1.
Table 1
Steel Well Casing
Pipe Weights and Dimensions*
Nominal
Inside
Weight
Lbs.
Per Ft.
Wall
Outside
Pipe Size
Diameter
Weight/
Plain
Threaded/
Thickness
Diameter
(Inches)
Schedule End
Couplings
(Inches)
(Inches)
(Inches)
1 1/4
Std./40
2.27
2.30
.140
1.660
1.380
1 1/2
"
2.72
2.75
.145
1.900
1.610
2
"
3.65
3.75
.154
2.375
2.067
2 1/2
"
5.79
5.90
.203
2.875
2.469
3
"
7.58
7.70
.216
3.500
3.068
3 1/2
"
9.11
9.25
.226
4.000
3.548
4
"
10.79
11.00
.237
4.500
4.026
5
"
14.62
15.00
.258
5.563
5.047
6
"
18.97
19.45
.280
6.625
6.065
8
"
28.55
29.35
.322
8.625
7.981
10
"
40.48
41.85
.365
10.750
10.020
12
Std.
49.56
51.15
.375
12.750
12.000
14
"
54.57
57.00
.375
14.000
13.250
16
"
62.58
65.30
.375
16.000
15.250
18
"
70.59
73.00
.375
18.000
17.250
20
"
78.60
81.00
.375
20.000
19.250
24
"
94.62
-
.375
24.000
23.250
* Dimensions and tolerances are listed in the
					 specifications adopted in R 325.1610.
(3) Each length of steel pipe that is used as
				  permanent well casing shall be legibly marked, by the manufacturer, with all of
				  the following information:
(a) The name of
				  the manufacturer.
(b) The kind of
				  pipe (continuous welded, electric resistance welded, or seamless).
(c) The weight or schedule.
(d) The nominal or outside
				  diameter.
(e) The specification
				  number.
(f) The length.
(g) The heat or lot number.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1627 - Construction of wells; steel casing and types of joints

Current through Vol. 24-12, July 15, 2024
Rule 127.
(1)
				  Steel pipe that is used as permanent well casing shall be watertight throughout
				  its length and shall have threaded or welded joints.
(2) Couplings that are used on threaded steel
				  casing shall be recessed or reamed and drifted couplings that are manufactured
				  in compliance with the standards of ASTM specification A 589-89a or API
				  specification 5L-90. The specifications are adopted by reference in R 325.1610.
				  Couplings shall have a design, taper, and type of thread that is consistent
				  with the thread of the pipe and threads shall not be exposed on the
				  pipe.
(3) Welded joints shall be in
				  compliance with the specifications of table 2 and provide a structurally sound
				  and watertight joint. Pipe ends shall be free of oil, grease, heavy rust,
				  paint, or other foreign materials, except for tightly adherent mill scale. The
				  weld bead shall be chipped and brushed to remove slag and other extraneous
				  materials between passes.
Table 2
Minimum Number of Passes for Welding Steel Casing
Pipe Diameter
Minimum Number
(inches)
passes
4
2
5
2
6
3
8
3
10 or larger
4
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1631a - Construction of wells; PVC casing dimensions

Current through Vol. 24-12, July 15, 2024
Rule 131a.
(1) PVC
				  pipe that is used as permanent casing shall be new pipe that is manufactured in
				  compliance with the standards of ASTM specification F 480-90, which is adopted
				  by reference in R 325.1610.
(2) PVC
				  pipe that is used as permanent casing shall be SDR 21 or heavier. PVC pipe that
				  is installed at depths of more than 200 feet shall be SDR 17 or
				  heavier.
(3) PVC pipe that is used
				  as permanent well casing shall have an outside diameter and minimum wall
				  thickness as specified in table 3. Dimensional standards for PVC pipe are
				  specified in ASTM specification F 480-90.
Table 3
Diameter and Wall Thickness of PVC Well Casing and
					 Liners
Minimum Wall
Nominal Pipe Size (inches)
Outside Diameter (inches)
Thickness (inches) SDR 21
SDR 17
2
Liner Pipe
2.375
.113
.140
3
Only
3.500
.167
.206
4
4.500
.214
.265
5
5.563
.265
.327
6
6.625
.316
.390
8
8.625
.410
.508
10
10.750
.511
.632
12
12.750
.606
.750
14
14.00
.667
--
16
16.00
.762
--
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1631b - Construction of wells; PVC casing material standards

Current through Vol. 24-12, July 15, 2024
Rule 131b.
(1) PVC
				  pipe that is used as permanent casing shall be new pipe that is in compliance
				  with ASTM specification F 480-90, which is adopted by reference in R
				  325.1610.
(2) Each length of PVC
				  pipe that is used as permanent well casing shall be legibly marked, by the
				  manufacturer, with all of the following information:
(a) The nominal pipe size.
(b) The standard dimension ratio
				  (SDR).
(c) The type of plastic (PVC
				  1120 or PVC 1220).
(d) The wording
				  "well casing."
(e) The impact
				  classification (IC).
(f) A
				  designation that the pipe is in compliance with the provisions of ASTM
				  specification F 480-90.
(g) The
				  manufacturer's name or trademark.
(h) The manufacturer's code for resin
				  manufacture.
(i) The lot number and
				  date of manufacture.
(j) A
				  certification mark that verifies that the pipe is in compliance with the
				  provisions of ANSI/NSF standard 14.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1631c - Construction of wells; PVC well casing joints

Current through Vol. 24-12, July 15, 2024
Rule 131c.
(1) PVC
				  well casing joints shall be deep socket bell ends or couplings that are
				  manufactured in accordance with ASTM specification F 480-90, which is adopted
				  by reference in R 325.1610.
(2) PVC
				  casing fittings shall be legibly marked with all of the following information:
(a) The nominal well casing pipe coupling
				  size.
(b) The type of
				  plastic.
(c) A designation that the
				  fittings are in compliance with the provisions of ASTM specification F
				  480-90.
(d) The manufacturer's name
				  or trademark.
(e) A certification
				  mark that verifies that the fittings are in compliance with the provisions of
				  ANSI/NSF standard 14.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1631d - Construction of wells; examination of pipe

Current through Vol. 24-12, July 15, 2024
Rule 131d. Pipe which is intended for water well use and
					 which is sold within the state, regardless of specification designation, shall
					 be subject to random examination by the director. Any lot of pipe that contains
					 defective lengths or lengths which are not in compliance with the
					 specifications required in these rules shall not be used in the construction of
					 a well.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1632 - Construction of wells; casing diameter, depth, termination, and installation procedures

Current through Vol. 24-12, July 15, 2024
Rule 132.
(1)
				  Steel pipe that is used as permanent casing shall have an inside diameter of
				  not less than 2 inches, except as provided in R 325.1632a.
(2) PVC pipe that is used as permanent casing
				  shall have an inside diameter of not less than 5 inches, except if the pipe is
				  installed as liner pipe. PVC well casing shall be installed only in an
				  oversized borehole without driving.
(3) A casing shall extend not less than 25
				  feet below, and terminate not less than 12 inches above, the ground surface. A
				  well that has less than 26 feet of casing shall not be used without obtaining
				  written approval from the health officer pursuant to the provisions of R
				  325.1613.
(4) The top 25 feet of a
				  well casing shall not be used as a suction line unless the well casing is
				  protected by a standard weight or heavier outer casing. The top of both casings
				  shall be finished pursuant to the provisions of R 325.1641 and R
				  325.1643.
(5) A driven steel
				  permanent casing shall be protected by a drive shoe.
(6) In a paved area, the health officer may
				  approve, in writing, a casing termination of 2 inches or more above the ground
				  surface if the area is not subject to flooding, if the connections and openings
				  are threaded or welded and watertight, and if acceptable casing venting is
				  provided.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1632a - Construction of wells; driven well points

Current through Vol. 24-12, July 15, 2024
Rule 132a.
(1)
				  Steel pipe that is used as permanent casing for a driven well point shall not
				  be less than 1 1/4 inches inside diameter.
(2) A driven well point shall not be used as
				  a water supply well without the written approval of the health
				  officer.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1633a - Construction of wells; grouting

Current through Vol. 24-12, July 15, 2024
Rule 133a.
(1)
				  Shale traps, cementing baskets, packers, or other devices must not be used to
				  suspend grout above an open annular space. Excessive development, washing,
				  shoveling of cuttings, or other similar activities must not be used to induce
				  collapse of the borehole wall or to reduce the amount of open annular space
				  surrounding a permanent casing.
(2)
				  Neat cement or bentonite grout must be placed through the permanent casing or a
				  grout pipe from the bottom of the annular space upward to the ground surface in
				  a continuous operation without interruption. The density of grout flowing from
				  the annular space at the ground surface must be the density of the grout being
				  pumped in.
(3) A permanent casing
				  must be installed in a borehole that has a diameter of not less than 2 inches
				  larger than the nominal size of the permanent casing, except as provided in
				  subrule (4) of this rule and
				  R 325.1635.
(4) When grout is placed through a grout pipe
				  outside the permanent casing, the borehole diameter must be not less than 2-7/8
				  inches larger than the nominal casing size.
(5) An annular space between a permanent
				  casing and temporary casing must be grouted during temporary casing removal by
				  pumping neat cement or bentonite grout, or by pouring bentonite chips,
				  bentonite pellets, or granular bentonite, into the annular space. Granular
				  bentonite must not be poured into an annular space that contains drilling fluid
				  or water.
(6) Neat cement must be
				  allowed to set a minimum of 24 hours when standard type I, type IL, type Ia,
				  type ILA, high-early type III, or type ILHE cement is used. If bentonite is
				  added to neat cement, the grout must be allowed to set a minimum of 48 hours
				  before drilling operations are resumed.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1634a - Construction of wells; grouting rotary-bored or augered wells

Current through Vol. 24-12, July 15, 2024
Rule 134a.
(1) A
				  well that is constructed by rotary, auger, or other drilling method where the
				  permanent casing is placed in an oversized borehole shall be grouted with neat
				  cement or bentonite grout, pursuant to the provisions of R 325.1633a, the
				  entire length of the casing. If a well screen is installed, the annular space
				  shall be grouted from a point not more than 10 feet above the top of the well
				  screen up to the ground surface.
(2) The depth of grouting may be decreased by
				  the health officer pursuant to the provisions of R 325.1613(2)(f).
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1635 - Construction of wells; grouting driven casing wells

Current through Vol. 24-12, July 15, 2024
Rule 135. A well that is constructed by cable tool, hollow
					 rod, jetting, or other drilling method where the permanent casing is driven
					 shall be grouted pursuant to either of the following provisions:
(a) Where temporary casing or oversized
				  borehole is not used or where the temporary casing or oversized borehole is
				  less than 25 feet in depth, dry granular bentonite shall be maintained around
				  the permanent casing as it is being driven.
(b) By installing a temporary casing or
				  oversized borehole not less than 3 inches larger than the nominal size of the
				  permanent casing and extending not less than 25 feet below the established
				  ground surface and grouting the annular space surrounding the permanent casing
				  pursuant to the provisions of R 325.1633a.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1637 - Construction of bedrock wells

Current through Vol. 24-12, July 15, 2024
Rule 137.
(1)
				  Where bedrock is encountered within 25 feet of the ground surface, an oversized
				  borehole shall be drilled and the permanent casing shall be grouted with neat
				  cement for a minimum depth of 25 feet.
(2) In an area where a well can be developed
				  only in fractured, jointed, or cavernous bedrock, the casing may terminate in
				  the formation if there is not less than 25 feet of soil above the bedrock, if
				  there is no record of the bedrock containing contaminated water, and if
				  geologic conditions offer no natural direct surface or near surface water
				  inlets into the bedrock aquifer. Where there is less overburden and deeper
				  strata will not produce potable water, the well owner shall obtain written
				  approval from the health officer for water treatment and well construction
				  features that are necessary to provide a safe supply.
(3) Hydraulic fracturing of bedrock is not
				  permitted without the prior written approval of the health officer.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1637a - Verification of well grouting

Current through Vol. 24-12, July 15, 2024
Rule 137a. Where the department or health officer
					 determines that any of the following conditions exist, the well drilling
					 contractor may be required to excavate the well head for inspection:
(a) A visible open annular space surrounding
				  a well casing.
(b) Failure to
				  detect, using a soil probe, excavation, geophysical logging, or other methods,
				  grout 2 feet or more below the water service line connection to the
				  casing.
(c) Placement of tracer dye
				  around the casing at or near the ground surface with subsequent detection of
				  the dye in the well water.
(d)
				  Receipt of a well log which indicates that the well has not been grouted or
				  which lacks information or contains incomplete information pertaining to
				  grouting of the well.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1638 - Construction of flowing artesian wells

Current through Vol. 24-12, July 15, 2024
Rule 138.
(1) A
				  well that is constructed in a location where flowing artesian conditions are
				  encountered or are expected to occur shall be grouted to protect the artesian
				  aquifer, prevent erosion of overlying geologic materials, and confine the flow
				  to within the casing.
(2) Flowing
				  well discharge control shall be provided to conserve groundwater and to prevent
				  the loss of artesian head by preventing or reducing continuous discharges,
				  unless a deviation is issued pursuant to the provisions of R 325.1613. Flow
				  control shall consist of valved pipe connections, watertight pump connections,
				  a receiving tank that is set at an altitude corresponding to that of the
				  artesian head, a flowing well pitless adapter, a packer, or other method
				  approved by the health officer. A flow discharge pipe, where installed, shall
				  not be directly connected to a sewer or other source of
				  contamination.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1639 - Construction of wells; well screens; lead packers, lead plugs, lead wool and certain drilling fluids prohibited; requirements for steel pipe used as screen riser pipes, blanks, or tailpipes; well pumping rate; temporary capping; well alignment; drilling water; requirements when using chlorine or other well rehabilitation chemicals

Current through Vol. 24-12, July 15, 2024
Rule 139.
(1) A
				  water supply well that is installed in unconsolidated sand and gravel aquifers
				  shall ordinarily be fitted with a screen that has openings which are properly
				  sized so that the aquifer can be properly developed to produce sand-free water
				  at the pumping rate of the permanent pump. A well screen, where installed on a
				  casing that is less than 4 inches inside diameter, shall be telescoped and
				  removable, except for a driven well point that is installed pursuant to the
				  provisions of R 325.1632a.
(2) Lead
				  packers, lead plugs, or lead wool shall not be used as a well
				  component.
(3) Drilling fluids or
				  additives that contain guar gum or other biodegradable organic materials shall
				  not be used during the drilling of a well.
(4) Steel pipe that is used as well screen
				  riser pipes, blanks, or tailpipes shall be in compliance with the minimum
				  weight, dimension, and material standards for well casing that are listed in
				  the provisions of R 325.1626 and R 325.1627.
(5) A new, repaired, or reconditioned well
				  shall be developed and pumped to waste at a pumping rate which equals or
				  exceeds that of the permanent pump, until the water is as clear as is
				  reasonably possible considering the groundwater conditions in the area. The
				  permanent pump shall not be used to develop the well without the owner's
				  consent.
(6) Temporary capping of a
				  well until the pumping equipment is installed shall be provided to prevent
				  contaminants from entering the well.
(7) A well shall be sufficiently straight and
				  vertical to allow normal installation and operation of the pump.
(8) Water that is used for drilling purposes,
				  other than water from the well itself, shall be potable water that contains a
				  free chlorine residual of not less than 10 parts per million at the time of use
				  and shall be conveyed in containers that are clean and capable of being
				  maintained in a clean condition. Surface water shall not be used for drilling
				  purposes unless it is obtained from a municipal water supply system.
(9) When chlorine is placed into a water
				  supply system pursuant to the provisions of R 325.1661 or when well
				  rehabilitation chemicals are used, the well drilling contractor or pump
				  installer shall provide notification to the well owner or building occupants or
				  shall make the system inoperable during the treatment period.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1640 - Certification of water well components

Current through Vol. 24-12, July 15, 2024
Rule 140.
(1) Water
				  supply system components that are in contact with groundwater must be free of
				  materials that may adversely affect the aquifer or water pumped from the well
				  and must not support microbiological growth.
(2) After the effective date of this rule, an
				  individual shall not use the following water well components unless they are in
				  compliance with or surpass ANSI/NSF standard 14, 60, or 61, ASTM specification
				  C 150, ASTM Specification C 595, or section
				  10 of API specification 10, as
				  adopted by reference in
				  R 325.1610:
(a) Drilling fluids, grouts, and casing
				  sealing materials.
(b) Additives to
				  drilling fluids, grouts, and casing sealing materials.
(c) Pipe joint compounds, thread cutting
				  oils, gasket sealants, or coatings on steel pipe.
(d) Solvent cements, primers, cleaners, or
				  other compounds that are used with PVC pipe.
(e) Bladders, diaphragms, coatings, or lining
				  materials that are in contact with water in a pressure or storage
				  tank.
(f) Chemicals that are used
				  for the development, maintenance, treatment, disinfection, or rehabilitation of
				  a water well, except for sodium hypochlorite or calcium
				  hypochlorite.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1641 - Abovegrade well casing connections

Current through Vol. 24-12, July 15, 2024
Rule 141. An abovegrade connection into the top or side of
					 a well casing shall be not less than 12 inches above the ground surface and
					 shall be constructed to exclude dirt or other foreign matter, through 1 or more
					 of the following methods, as applicable:
(a) A threaded connection.
(b) A welded connection.
(c) A rubber expansion sealer.
(d) Bolted flanges with rubber
				  gaskets.
(e) A weathertight,
				  vermin-proof well cap.
(f)
				  Extension of the casing at least 1 inch into the base of a power pump mounted
				  on and sealed to a concrete pedestal.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1642 - Belowground well casing connections

Current through Vol. 24-12, July 15, 2024
Rule 142.
(1) A
				  connection to a well casing that is made below the ground, or less than 12
				  inches above the ground surface, shall be protected by approved threaded or
				  welded joints or by an approved pitless adapter. A belowground connection shall
				  not be submerged in water during installation.
(2) Clamp-on, saddle-style pitless adapters
				  shall have both gaskets pressurized by water from the pump so that any water
				  leakage will be from the pressure system outward. A pitless adapter shall
				  provide complete clearance within the internal diameter of the casing and shall
				  vent the casing if required by the provisions of R 325.1657. A person shall not
				  install a pitless adapter that has not been approved, in writing, by the
				  department.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1643 - Well casing seals and connections; other methods

Current through Vol. 24-12, July 15, 2024
Rule 143. Any other method of connection to a well casing
					 shall be approved in writing by the director before
					 installation.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1651 - Construction of room housing pumping equipment or well casing; location of pump or pumping equipment in single-family dwelling permitted; access required for repair and maintenance of water supply system components

Current through Vol. 24-12, July 15, 2024
Rule 151.
(1) A
				  room that houses pumping equipment or the top of a well casing shall be
				  constructed above the ground surface; however, the room may be located below
				  grade if it is a basement offset as defined in R 325.1601a(1).
(2) A pump or pumping equipment may be
				  located within a crawl space beneath a single-family dwelling if the space does
				  not accumulate water.
(3) A pump
				  room, basement offset, crawl space, or well house shall provide access for
				  maintenance or repair of the water supply system components.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1653 - Pump construction, installation, design, and maintenance

Current through Vol. 24-12, July 15, 2024
Rule 153.
(1) A
				  pump shall be constructed so that there are no unprotected openings into the
				  interior of the pump or well casing.
(2) A power driven pump shall be attached to
				  the casing or approved suction or discharge line by a watertight connection or
				  shall have a base plate that is in compliance with the provisions of R
				  325.1641.
(3) A pump shall be
				  designed, installed, and maintained so that priming is not required for
				  ordinary use.
(4) Plastic pump drop
				  pipe shall be in compliance with the material requirements for water service
				  lines pursuant to the provisions of R 325.1655(2). Flexible or coiled plastic
				  pipe, when used as submersible pump drop pipe, shall not have splices. Plastic
				  pump drop pipe shall not be used with a packer-jet assembly.
(5) Submersible pump motor lubricants and
				  vertical turbine shaft lubricants shall be USDA- or FDA-approved food contact
				  grade formulations.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1653a - Pump installation; hand pumps

Current through Vol. 24-12, July 15, 2024
Rule 153a.
(1) A
				  hand pump, hand pump head, hand pump stand, or similar device shall be
				  constructed in accordance with the provisions of R 325.1653, shall provide for
				  venting pursuant to the provisions of R 325.1657, and shall have a closed
				  downward-directed spout and a sealed pump rod packing assembly.
(2) A hand pump shall be attached to a steel
				  well casing or standpipe by sealed flange or other method approved by the
				  department. The flange shall be not less than 6 inches above a concrete slab or
				  the ground surface. An annular space between a standpipe and a well casing
				  shall be sealed in accordance with the provisions of R 325.1641 or with
				  materials listed in subrule (5) of R 325.1603.
(3) Where a well casing functions as a hand
				  pump cylinder wall, the plunger shall be not less than 25 feet below the ground
				  surface. A casing wall weep hole is not permitted.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1654 - Pump installation; water suction lines

Current through Vol. 24-12, July 15, 2024
Rule 154.
(1) A
				  water suction line shall be constructed of copper, galvanized steel, plastic
				  pipe or other material that is approved, in writing, by the director.
(2) A water suction line that is outside the
				  well casing shall be protected by utilizing 1 or more of the following methods:
(a) By fully exposing the line and by
				  situating the line not less than 12 inches above the floor of an approved
				  basement, basement offset, or pump room.
(b) By fully exposing the line above ground
				  surface.
(c) By situating the line
				  within an outer casing with the annular space filled with water from the system
				  and maintained at system pressure.
(d) By surrounding the line by air space in a
				  straight rigid conduit which does not have joints and which has positive
				  drainage by gravity to the ground surface or to an approved basement, basement
				  offset, or pump room, with the conduit directly connected to the well casing by
				  a threaded or welded watertight joint. The openings into the casing shall be
				  welded watertight or shall be sealed in accordance with the provisions of R
				  325.1641 to R 325.1643 and the total length of the suction line that is
				  protected by the gravity drained conduit shall not be more than 20
				  feet.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1655 - Pump installation; water service lines

Current through Vol. 24-12, July 15, 2024
Rule 155.
(1) The
				  buried portion of a water service line between the well casing and the pressure
				  tank in any installation shall be under positive pressure at all times. If a
				  check valve is installed in the water line between the well casing and the
				  pressure tank, the water line between the well casing and the check valve shall
				  be in compliance with the requirements for a suction line pursuant to the
				  provisions of R 325.1654.
(2)
				  Plastic water service line material shall have a minimum rated working pressure
				  of 160 pounds per square inch, shall be in compliance with ASTM specification D
				  2239-89, D 2737-89, D 2662-89, D 2666-89, D 1785-91, or D 2241-89, which
				  specifications are adopted by reference in R 325.1610.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1656 - Pump installation; pressure tanks

Current through Vol. 24-12, July 15, 2024
Rule 156.
(1) A
				  pressure tank shall be installed in an approved pump room, well house, crawl
				  space, basement offset, or basement.
(2) A totally buried pressure tank may be
				  used if the manufacturer's unit has been approved, in writing, by the director
				  as to its design, type of material, and specification for its
				  installation.
(3) If a pump is
				  capable of developing water pressures greater than the manufacturer's rated
				  working pressure of the pressure tank, a pressure relief valve shall be
				  installed near the pressure tank.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1656a - Pump installation; venting of gases

Current through Vol. 24-12, July 15, 2024
Rule 156a. Toxic or flammable gases that are present in the
					 groundwater shall be vented from the water supply system. The vent shall
					 discharge to the outside atmosphere where the gases will not be a hazard. A
					 health officer or the department shall be consulted for proper identification
					 or treatment of gases.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1657 - Pump installation; vents

Current through Vol. 24-12, July 15, 2024
Rule 157.
(1) A
				  casing vent shall be provided on all well caps and seals, except for those used
				  on deep well, single pipe-packer jet installations, or on flowing wells where
				  the flow rate is greater than the pumping rate of the permanent pump. A vent
				  shall be screened, pointed downward, and terminate not less than 12 inches
				  above the ground surface or above the floor of an approved basement, basement
				  offset, or pump room, and at a point not less than 24 inches above any known
				  flood level. Vents may be offset if they are in compliance with the provisions
				  of this rule. Vents shall be in compliance with the minimum sizes listed in
				  table 4.
Table 4
Minimum Well Casing Vent Sizes
Casing
Inside Diameter
(Inches)
Circular
Vent Diameter
(Inches)
2
&frac14
4
&frac12
5 or 6
¾
8 or larger
1
(2) Vent
				  screening shall be not less than 20-mesh per inch and not more than 30-mesh per
				  inch screen. Screening shall not reduce the vent open area by more than
				  50%.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1657a - Pump installation; well caps and seals

Current through Vol. 24-12, July 15, 2024
Rule 157a. Well caps and seals shall be weathertight and
					 vermin-proof, provide venting pursuant to the provisions of R 325.1657, and be
					 tightly secured to the well casing.
Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Groundwater Quality Control Rules › Part 1 - WELL CONSTRUCTION CODE › Section R. 325.1658 - Pump installation; sampling faucets

Current through Vol. 24-12, July 15, 2024
Rule 158. Provision shall be made for the collection of
					 water samples by installing a downturned faucet, not less than 8 inches above
					 the floor, in a convenient location at the pressure tank or as near to the well
					 as possible.