reglab/statecodes huggingface dataset:
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0700 - SURFACE WATER TREATMENT FACILITIES › Section 18C .0708 - GRAVITY FILTERS

Current through Register Vol. 39, No. 2, July 15, 2024
(a) Filtration
				  Rates. The standard rate of filtration for a single media filter shall be two
				  gallons per minute per square foot. Higher filtration rates up to four gallons
				  per minute per square foot may be approved for dual media or multi-media
				  filters. Filtration rates in excess of four gallons per minute per square foot
				  may be approved subject to pilot plant or plant scale demonstrations conducted
				  in accordance with Rule .0714 of this Section, and demonstrated equivalent
				  treatment efficiency based on case-specific engineering evidence.
(b) Wash Water Rate. The backwash rate of
				  flow shall be designed to theoretically expand the filter media 50
				  percent.
(c) Rate Control Devices.
				  Rate control equipment shall be provided to control or regulate the filtration
				  rate and the backwash rate. If declining rate filtration is to be used, orifice
				  plates shall be installed on each filter effluent pipe to control maximum
				  filtration rates.
(d) Surface
				  Washers. Filter beds shall be equipped with a revolving or fixed system of
				  nozzles designed for agitation of the entire beds.
(e) Gauges and Flow Indicators. Gauges or
				  meters shall be installed to indicate the rate of filtration, the loss of head,
				  and the backwash rate for every filter.
(f) Filter Media:
(1) Filter Sand. Filter sand shall be clean
				  silica sand having:
(A) an effective size of
				  0.35 mm to 0.55 mm;
(B) a
				  uniformity coefficient of not more than 1.70;
(C) a dust content passing 150 mesh tyler of
				  less than 0.5 percent; and
(D) a
				  minimum depth of at least 24 inches.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0700 - SURFACE WATER TREATMENT FACILITIES › Section 18C .0709 - PREVENTION OF BACKFLOW AND BACK SIPHONAGE

Current through Register Vol. 39, No. 2, July 15, 2024
The following methods and devices for prevention of
					 backflow or back-siphonage shall be provided for the conditions
					 indicated:
(1) Dry Chemical Feeders.
				  Dry chemical feeders with submerged water inlets shall have a non-pressure type
				  vacuum breaker installed on the atmospheric side of the last control
				  valve.
(2) Fluoride Chemical
				  Feeders
(a) Sodium fluoride saturator tank
				  make-up water lines shall have air gaps between the overflow rim of the tank
				  and the water supply pipe of at least four inches.
(b) When using the positive displacement
				  fluoride chemical solution feed pumps, if the point of application to the water
				  supply is at atmospheric pressure and is below the maximum elevation of the
				  solution in the fluoride solution tank, an air gap shall be installed in the
				  fluoride discharge line at a point above the liquid level in the tank. If the
				  point of application is a pressure line, then a pressure type vacuum breaker
				  shall be used.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0700 - SURFACE WATER TREATMENT FACILITIES › Section 18C .0710 - OTHER WATER TREATMENT PLANTS

Current through Register Vol. 39, No. 2, July 15, 2024
Water treatment plants which provide conventional
					 filtration treatment, as defined in Rule .0102 of this Subchapter, but do not
					 meet the minimum design criteria for process flow times established in this
					 Rule, may be approved to treat high quality source waters under the following
					 conditions:
(1) A proposal shall be
				  presented to the Department to justify deviation from minimum criteria. The
				  proposal shall include an engineering report containing information and data to
				  substantiate high source water quality characteristics and demonstrate water
				  treatment plant effectiveness.
(2)
				  The flocculation process shall have a minimum of 20 minutes theoretical
				  detention time.
(3) The
				  sedimentation compartment shall utilize tube settlers, plates or equivalent
				  settling enhancement mechanisms and have a minimum of 30 minutes detention
				  time.
(4) The filter media shall be
				  a minimum of 24 inches in depth and consist of dual or multi-media.
(5) The source waters shall be derived from
				  watersheds which are classified as WS-I, WS-II or WS-III and shall be protected
				  from sources of pollution as determined by a sanitary survey in accordance with
				  Rule .0202 of this Subchapter.
(6)
				  The following raw water quality standards shall apply:
(a) WS-I, WS-II or WS-III raw water quality
				  standards established by the Environmental Management Commission shall be
				  met.
(b) In addition to Sub-Item
				  (6)(a) of this Rule, the following maximum concentration of turbidity,
				  coliform, fecal coliform and color shall be allowed in the water plant influent
				  water, based on sedimentation time provided by the water treatment plant.
				  Off-stream pre-treatment to maintain these standards shall be provided as
				  specified in Item (7) of this Rule.
SED TIME
4 hrs.
2 hrs.
1 hr.
½ hrs.
Turbidity (NTU)
150
75
50
25
Coliform/100 ml
3,000
2,000
1,000
500
Fecal coliform/100 ml
300
200
100
50
Color (CU)
75
60
40
20
Note: Uneven values are to be interpolated.
(c) Maximum allowable fluctuations
				  in turbidity, coliform, fecal coliform, color (up to the maximum of Sub-Item
				  (6)(b) of this Rule, chemicals and other water quality characteristics shall be
				  established by a pilot study conducted in accordance with Rule .0714 of this
				  Section.
(d) The allowable raw
				  water concentration of all other contaminants, for which drinking water
				  standards are established in this Subchapter, shall be based on the removal
				  capacity of the water plant as demonstrated in a pilot study conducted in
				  accordance with Rule .0714 of this Section.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0700 - SURFACE WATER TREATMENT FACILITIES › Section 18C .0711 - ALTERNATIVE FILTRATION TREATMENT TECHNOLOGIES

Current through Register Vol. 39, No. 2, July 15, 2024
A public water system may propose an alternative filtration
					 treatment technology as provided in Rule .2003 of this Subchapter. The
					 Department shall approve alternative filtration treatment technologies when the
					 following conditions have been met and equivalent treatment efficiency, based
					 on case-specific engineering evidence, has been demonstrated.
(1) The source waters shall be derived from
				  WS-I, WS-II, or WS-III watersheds.
(2) The raw water quality standards and
				  fluctuations shall be as specified in Rule .0710(6) of this Section, except
				  that the following maximum concentrations shall be allowed in the influent
				  water to the water treatment plant: Turbidity - 20 NTU, coliform - 500/100 ml,
				  fecal coliform - 50/100 ml, and color - 20 CU.
(3) Off-stream pre-treatment or storage shall
				  be provided as specified in Rule .0710 of this Section, except that the raw
				  water quality standards of Item (2) of this Rule shall be maintained in the
				  water treatment plant influent water.
(4) If the proposed water treatment plant
				  employs treatment techniques that are consistent with this Subchapter, a pilot
				  study shall be conducted in accordance with Rule .0714 of this
				  Section.
(5) If the pilot study
				  demonstrates that the proposed water treatment plant can produce water that
				  complies with all requirements of this Subchapter, engineering plans and
				  specifications for the proposed plant and appurtenances shall be presented to
				  the Department for review and approval prior to construction or letting a
				  construction contract.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. July 1, 1994;
Readopted Eff. July 1, 2019.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0700 - SURFACE WATER TREATMENT FACILITIES › Section 18C .0712 - DIRECT FILTRATION

Current through Register Vol. 39, No. 2, July 15, 2024
Water treatment plants which use direct filtration may be
					 approved to treat high quality source waters derived from uninhibited
					 watersheds classified WS-I. A proposal, including an engineering report as
					 described in Rule .0710 Item (1) of this Section shall be submitted to the
					 Department.
(1) The following raw
				  water maximum contaminant concentrations shall be met: Turbidity - 5 NTU,
				  coliform - 500/100 ml, fecal coliform - 50/100 ml, color - 15 CU. Fluctuations
				  shall not exceed 5 percent per hour.
(2) A minimum of 5 days off-stream storage
				  shall be provided except in cases where the source waters are derived from
				  in-stream impoundments and it is demonstrated that the raw water quality
				  standards and fluctuations or Item (1) of this Rule are maintained at the
				  entrance to the water treatment plant.
(3) If the Department determines that the
				  proposed water treatment plant provides treatment techniques that are
				  consistent with this Subchapter and that the treatment is feasible for the
				  source water, a pilot plant study shall be conducted in accordance with Rule
				  .0714 of this Section.
(4) If the
				  pilot study demonstrates to the Department that the proposed plant can
				  consistently produce water which complies with all requirements of this
				  Subchapter, detailed engineering plans and specifications for the proposed
				  plant and appurtenances shall be presented to the Department for review and
				  approval prior to construction or letting a contract.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. July 1, 1994;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0700 - SURFACE WATER TREATMENT FACILITIES › Section 18C .0713 - PRESSURE FILTERS

Current through Register Vol. 39, No. 2, July 15, 2024
(a) Pressure
				  filters shall not be used in treatment of surface waters without prior
				  coagulation and flocculation.
(b)
				  Pressure filters shall be approved for treatment of existing groundwater
				  sources under the influence of surface water under the following conditions:
(1) design standards for gravity filters
				  shall meet the requirements set forth in Rule .0708 of this Section;
(2) overall plant design shall comply with
				  Rule .0404 of this Subchapter;
(3)
				  special design or operational features or modifications shall be provided when
				  needed due to the water quality or the design of the proposed filter;
(4) if the proposed water treatment plant
				  employs treatment techniques that are consistent with this Subchapter, a pilot
				  plant study shall be conducted in accordance with Rule .0714 of this Section;
				  and
(5) if the pilot study
				  demonstrates that the proposed plant can produce water that complies with all
				  requirements of this Subchapter, engineering plans and specifications for the
				  proposed plant and appurtenances shall be presented to the Department for
				  review and approval prior to construction or letting a construction
				  contract.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0700 - SURFACE WATER TREATMENT FACILITIES › Section 18C .0714 - PILOT PLANT STUDIES

Current through Register Vol. 39, No. 2, July 15, 2024
(a) A pilot plant
				  study proposal shall be submitted to the Department for approval before the
				  study is conducted.
The proposal shall be approved if it meets all of the
					 following conditions and includes all of the following information:
(1) An engineering report shall describe the
				  proposed study and shall include the information and data to justify the use of
				  the particular plant to treat the source water.
(2) The proposed plant shall employ treatment
				  techniques that are consistent with this Subchapter.
(3) The pilot plant shall be of the same
				  design and operation as the proposed plant.
(4) A protocol for conducting the study shall
				  be submitted that includes the duration, testing procedures, reporting
				  procedures, plant scale, and other factors that affect the proposed plant
				  operation.
(5) The study shall be
				  conducted over a time sufficient to treat all worst-case source water
				  conditions expected through the year.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0700 - SURFACE WATER TREATMENT FACILITIES › Section 18C .0715 - REPEALED - OTHER DESIGN STANDARDS

Current through Register Vol. 39, No. 2, July 15, 2024
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. July 1, 1994;
Amended Eff. April 1, 2014;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23, 2015;
Repealed Eff.
					 July 1, 2019 (this rule was recodified to
					 15A NCAC
					 18C .0503).
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0800 - HYDROPNEUMATIC STORAGE TANKS RULES › Section 18C .0801 - CAPACITIES: DETERMINING MINIMUM EFFECTIVE VOLUME

Current through Register Vol. 39, No. 2, July 15, 2024
The minimum effective volume of pressure tanks, in gallons,
					 shall equal the peak demand, in gallons per minute, minus the pumping capacity
					 (gpm), multiplied by 20.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0800 - HYDROPNEUMATIC STORAGE TANKS RULES › Section 18C .0802 - CAPACITIES: DETERMINING PEAK DEMAND

Current through Register Vol. 39, No. 2, July 15, 2024
(a) The
				  following charts shall be used to determine the peak demand for campground,
				  residential community, and mobile home park water systems:
PEAK DEMAND FOR CAMPGROUND WATER SYSTEMS
(Number of Connections vs Gallons per Minute)
Click
					 here to view image
PEAK DEMAND FOR RESIDENTIAL COMMUNITY WATER SYSTEMS
(Number of Connections vs Gallons per Minute)
Click
					 here to view image
PEAK DEMAND FOR MOBILE HOME PARK WATER SYSTEMS
(Number of Connections vs Gallons per Minute)
Click
					 here to view image
(b) The peak demand for non-transient,
				  non-community water systems shall be determined based on the total demand
				  weight of fixtures in accordance with the procedures of the North Carolina
				  State Building Code, Volume II, Plumbing Section that are hereby incorporated
				  by reference including any subsequent amendments and editions. Copies are
				  available for public inspection as set forth in Rule .0102 of this
				  Subchapter.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 April 1, 2014; July 1, 1994; June 30, 1980;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0800 - HYDROPNEUMATIC STORAGE TANKS RULES › Section 18C .0803 - CAPACITIES: DETERMINING TOTAL VOLUME

Current through Register Vol. 39, No. 2, July 15, 2024
The total volume of a pressure tank shall be calculated by
					 applying the principle of Boyle's Law as set forth in this Rule.
(1) For a mobile home park, the total volume
				  measured in gallons shall be not less than 25 times the number of connections
				  or 500 gallons, whichever is greater.
(2) For a residential community water system
				  the total volume shall not be less than 40 times the number of connections or
				  500 gallons, whichever is greater.
(3) For a campground, the total volume shall
				  not be less than 10 times the number of connections or 500 gallons, whichever
				  is greater.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 July 1, 1994; March 31, 1980;
Readopted Eff. July 1,
					 2019.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0800 - HYDROPNEUMATIC STORAGE TANKS RULES › Section 18C .0804 - CAPACITIES: GROUND STORAGE PLUS HYDROPNEUMATIC TANKS

Current through Register Vol. 39, No. 2, July 15, 2024
When ground level storage tanks and high-service pumps are
					 to be used, hydropneumatic tanks shall be sized in relation to peak demand and
					 the high-service pump capacity.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 July 1, 1994;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0800 - HYDROPNEUMATIC STORAGE TANKS RULES › Section 18C .0805 - CAPACITIES: ELEVATED STORAGE

Current through Register Vol. 39, No. 2, July 15, 2024
(a) Where
				  feasible, elevated storage capacity shall meet the requirements of the ISO
				  Commercial Risk Services, Inc. Fire Suppression Rating Schedule that are hereby
				  incorporated by reference including any subsequent amendments and editions.
				  Copies are available for public inspection as set forth in Rule .0102 of this
				  Subchapter.
(b) The elevated
				  storage capacity for a municipality shall be sufficient to minimize the effect
				  of fluctuating demand and provide a reserve for fire protection, but not be
				  less than 75,000 gallons in capacity.
(c) The combined elevated and ground storage
				  capacity of the finished water for community and non-transient, non-community
				  water systems shall be a minimum of one-half day's supply of the average annual
				  daily demand.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1978;
Amended Eff. April 1, 2014; July 1, 1994;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0900 - DISTRIBUTION SYSTEMS › Section 18C .0901 - SIZE OF THE WATER MAINS

Current through Register Vol. 39, No. 2, July 15, 2024
Water distribution mains shall be sized to provide a
					 minimum pressure at all points within the distribution system of not less than
					 20 pounds per square inch (gauge) during periods of peak demand (fire flow),
					 but in any case water mains shall not be less than two-inch standard nominal
					 diameter. Fire hydrants shall not be installed on water mains of less than six
					 inches diameter or on water mains or water systems not designed to carry fire
					 protection flows. Systems not designed for fire flows shall have the capacity
					 to maintain a pressure of at least 30 pounds per square inch (gauge) throughout
					 the system during periods of peak flow.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 March 31, 1980;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0900 - DISTRIBUTION SYSTEMS › Section 18C .0902 - NUMBER OF RESIDENCES ON A WATER MAIN

Current through Register Vol. 39, No. 2, July 15, 2024
(a) No more
				  than 20, or the equivalent of 20 residences shall be connected to a two-inch
				  diameter water line, unless the main is looped or otherwise supplied from two
				  connections with mains of adequate capacities.
(b) A looped two-inch main shall serve no
				  more than 40 residences, or the equivalent water demand of 40 residences. A
				  two-inch diameter main shall not exceed 1000 feet in length.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 January 1, 1978;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0900 - DISTRIBUTION SYSTEMS › Section 18C .0903 - DEAD END WATER MAINS

Current through Register Vol. 39, No. 2, July 15, 2024
Where installation of dead-end water mains cannot be
					 avoided, a hydrant or a valve of adequate size for flushing shall be installed
					 at the terminal end of the line. The flush valves shall have an above-ground
					 discharge and shall be protected from contamination.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0900 - DISTRIBUTION SYSTEMS › Section 18C .0904 - PIPE LAYING

Current through Register Vol. 39, No. 2, July 15, 2024
(a) Trenching, pipe
				  laying, and backfilling shall be accomplished in a manner to prevent damage to
				  and misalignment of the pipe. Water mains shall be buried to a depth below the
				  frost line or to a depth sufficient to provide a minimum of 30 inches cover,
				  whichever is greater. In cases where it is impracticable to provide 30 inches
				  of cover taking into consideration feasibility and cost, a deviation may be
				  approved on a case-by-case basis, if supported by data from the design engineer
				  including consideration of pipe material, cover material, land cover, land use,
				  land slope, the depth of the frost line, and the location of other
				  utilities.
(b) To allow for
				  construction and repair, a minimum distance of 12 inches shall be maintained
				  between the outside of the water main and the outside of other
				  utilities.
(c) If an engineer
				  demonstrates it is impractical to maintain the separation distances required by
				  this Rule, taking into consideration feasibility, cost, and the factors set
				  forth in this Paragraph, a deviation may be approved on a case-by-case basis if
				  supported by data and alterative construction criteria submitted by the design
				  engineer. Data and alterative construction criteria submitted by the design
				  engineer to justify the deviation shall describe:
(1) the rationale for determining that
				  separation criteria described in Paragraphs (a) and (b) of this Rule are
				  impracticable;
(2) the extent of
				  the deviation from separation criteria in Paragraphs (a) and (b) of this
				  Rule;
(3) a consideration of pipe
				  materials, pressure ratings, type of joints for water main and non-potable
				  water line, and soil conditions;
(4) the ability to provide adequate work
				  space to repair or replace pipe segments or other utility infrastructure
				  without causing damage to or otherwise compromising the integrity of pipes;
				  and
(5) the rationale for
				  determining that the deviation will not result in unreasonable risk to public
				  health.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0900 - DISTRIBUTION SYSTEMS › Section 18C .0905 - TESTING NEW WATER MAINS

Current through Register Vol. 39, No. 2, July 15, 2024
New water mains shall be tested for leakage and any
					 necessary repairs and re-testing shall be accomplished as specified in AWWA
					 standards.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0900 - DISTRIBUTION SYSTEMS › Section 18C .0906 - RELATION OF WATER MAINS TO NON-POTABLE WATER LINES

Current through Register Vol. 39, No. 2, July 15, 2024
(a) For
				  the purposes of this Rule, sewer shall mean any existing or proposed gravity or
				  force main used to convey sanitary or industrial process waste.
(b) Lateral Separation of Sewers and Water
				  Mains. Water mains shall be laid at least 10 feet laterally from existing or
				  proposed sewers, unless local conditions or barriers prevent a 10-foot lateral
				  separation, in which case:
(1) the water main
				  shall be laid in a separate trench, with the elevation of the bottom of the
				  water main at least 18 inches above the top of the sewer; or
(2) the water main shall be laid in the same
				  trench as the sewer, with the water main located at one side on a bench of
				  undisturbed earth and with the elevation of the bottom of the water main at
				  least 18 inches above the top of the sewer.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .0900 - DISTRIBUTION SYSTEMS › Section 18C .0907 - VALVES

Current through Register Vol. 39, No. 2, July 15, 2024
(a) Valves should be installed on all
				  branches from feeder mains, and between mains and hydrants according to the
				  following schedule:
(1) three valves at x
				  (crosses),
(2) two valves at T's
				  (tees), and
(3) one valve on single
				  hydrant branch.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1000 - DISINFECTION OF WATER SUPPLY SYSTEMS › Section 18C .1001 - DISINFECTION OF NEW SYSTEMS

Current through Register Vol. 39, No. 2, July 15, 2024
(a) All
				  interior surfaces of new potable water supply systems, including wells,
				  filters, storage tanks and distribution lines shall be thoroughly disinfected
				  by means of hypochlorite or chlorine solutions, after which bacteriological
				  test samples shall be collected.
(b) After disinfection the water supply shall
				  not be placed into service until bacteriological test results of representative
				  water samples analyzed in an approved laboratory are found to be
				  satisfactory.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1000 - DISINFECTION OF WATER SUPPLY SYSTEMS › Section 18C .1002 - DISINFECTION OF WELLS

Current through Register Vol. 39, No. 2, July 15, 2024
(a) After
				  construction, servicing, maintenance, or any other activity or event that might
				  lead to contamination of the water, wells shall be disinfected in accordance
				  with ANSI/AWWA C654-13, "Disinfection of Wells." Copies may be obtained for
				  public inspection as set forth in Rule .0503 of this Subchapter.
(b) After disinfection, wells shall not be
				  placed into service until bacteriological test results of representative water
				  samples analyzed by a certified laboratory are found to be
				  satisfactory.
(c) Records
				  demonstrating compliance with ANSI/AWWA Standard C654-13 shall be available for
				  three years for inspection by the Department.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 July 1, 1994;
Readopted Eff. July 1,
					 2019.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1000 - DISINFECTION OF WATER SUPPLY SYSTEMS › Section 18C .1003 - DISINFECTION OF STORAGE TANKS AND DISTRIBUTION SYSTEMS

Current through Register Vol. 39, No. 2, July 15, 2024
(a) Water distribution systems, including
				  storage tanks and water mains, after flushing to remove sediment and other
				  foreign matter, and after testing for leaks, shall be disinfected in accordance
				  with ANSI/AWWA Standard C652-11; "Disinfection of Water Storage Facilities" or
				  in accordance with ANSI/AWWA C651-14; "Disinfection of Water Mains." Copies may
				  be obtained for public inspection as set forth in Rule .0503 of this
				  Subchapter.
(b) After disinfection,
				  water storage or distribution facilities shall not be placed into service until
				  bacteriological test results of representative water samples analyzed by a
				  certified laboratory are found to be satisfactory.
(c) Records demonstrating compliance with
				  ANSI/AWWA Standards C652-11 or ANSI/AWWA Standard 651-14 shall be available for
				  three years for inspection by the Department.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 January 1, 1978;
Readopted Eff. July 1,
					 2019.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1000 - DISINFECTION OF WATER SUPPLY SYSTEMS › Section 18C .1004 - DISINFECTION OF WATER TREATMENT FACILITIES

Current through Register Vol. 39, No. 2, July 15, 2024
(a) New
				  water treatment facilities and existing water treatment facilities taken out of
				  service for cleaning, inspection, maintenance, painting, repair, or other
				  activities or events that might lead to contamination of water shall be
				  disinfected in accordance with ANSI/AWWA Standard C653-13, "Disinfection of
				  Water Treatment Facilities." Copies may be obtained for public inspection as
				  set forth in Rule .0503 of this Subchapter.
(b) After disinfection the water treatment
				  facilities shall not be placed into service until bacteriological test results
				  of representative water samples analyzed by a certified laboratory are found to
				  be satisfactory.
(c) Records
				  demonstrating compliance with ANSI/AWWA Standard C653-13 shall be available for
				  three years for inspection by the Department.
Authority
					 G.S.
					 130A-315;
					 130A-317;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 July 1, 1994;
Readopted Eff. July 1,
					 2019.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1100 - PROTECTION OF UNFILTERED PUBLIC WATER SUPPLIES › Section 18C .1101 - WATERSHED AREA

Current through Register Vol. 39, No. 2, July 15, 2024
No dwelling house, pasture, hog lot, cattle or horse barn,
					 or other areas where domestic animals are confined or permitted, and no parks,
					 camping grounds or other places of public assembly shall be permitted within
					 the watershed area of an unfiltered public water system. The watershed area
					 shall be posted in accordance with Rule .1107 of this
					 Section.
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 July 1, 1994; September 1, 1990; September 1, 1979;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1100 - PROTECTION OF UNFILTERED PUBLIC WATER SUPPLIES › Section 18C .1102 - AUTHORIZED PERSONS WITHIN WATERSHED AREA

Current through Register Vol. 39, No. 2, July 15, 2024
No persons, other than a duly authorized representative of
					 the person or company supplying the water from an unfiltered public water
					 system or a representative of the local health department, or the Department,
					 or a game warden, state forester or law enforcement officer, or a
					 representative of the U.S. Park Service or U.S. Forest Service shall be
					 permitted within the area of the watershed of an unfiltered public water system
					 at any time and for any purpose unless the Department determines that the
					 proposed activity does not adversely affect the quality of the
					 water.
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 July 1, 1994; September 1, 1990; September 1, 1979;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1100 - PROTECTION OF UNFILTERED PUBLIC WATER SUPPLIES › Section 18C .1103 - HUNTING: FISHING: OR HIKING

Current through Register Vol. 39, No. 2, July 15, 2024
Hunting, fishing, or hiking shall not be permitted within
					 the watershed area.
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 September 1, 1990;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1100 - PROTECTION OF UNFILTERED PUBLIC WATER SUPPLIES › Section 18C .1104 - DISPOSAL OF CARCASSES

Current through Register Vol. 39, No. 2, July 15, 2024
The carcass of any dead animal found within the watershed
					 area of an unfiltered community water system shall be buried by the owner or
					 person in charge of the animal and by the person owning or in charge of the
					 land upon which the animal dies with a covering of at least three feet of
					 earth, or the carcass shall be burned, or removed from the watershed and buried
					 as required by
					 G.S.
					 106-403. In no case shall dead animals be
					 placed in the reservoir or the tributaries of an unfiltered community water
					 system.
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 September 1, 1979;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1100 - PROTECTION OF UNFILTERED PUBLIC WATER SUPPLIES › Section 18C .1105 - PROHIBITED CONDUCT ON WATERSHED

Current through Register Vol. 39, No. 2, July 15, 2024
No timbering, lumbering, construction, or reforestation
					 operations shall be permitted on the watershed of an unfiltered public water
					 system unless the Department determines that the project will provide for the
					 sanitary and physical protection of the water supply during such operations.
					 The applicant shall submit a project plan describing the nature and scope of
					 the project and precautions for protection of the water
					 supply.
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 July 1, 1994; September 1, 1990; September 1, 1979;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1100 - PROTECTION OF UNFILTERED PUBLIC WATER SUPPLIES › Section 18C .1106 - INSPECTION OF WATERSHEDS

Current through Register Vol. 39, No. 2, July 15, 2024
The person or company supplying water from the watershed of
					 an unfiltered source shall employ an adequate number of responsible inspectors
					 and cause satisfactory inspection of the watershed to be made at least at
					 quarterly intervals to assure that the watershed area is at all times
					 maintained in a manner that will promote and insure the sanitary and physical
					 protection of the supply. A copy of the watershed inspection report shall be
					 submitted to the Public Water Supply Section, within ten days after completion
					 of the inspection.
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 September 1, 1990;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1100 - PROTECTION OF UNFILTERED PUBLIC WATER SUPPLIES › Section 18C .1107 - WATERSHED BOUNDARY SIGNS

Current through Register Vol. 39, No. 2, July 15, 2024
Signs advising the public of the watershed boundaries and
					 prohibiting trespassing by all unauthorized persons shall be posted at the
					 water works intake and along the boundaries and at entrances and accesses
					 throughout the watershed area of an unfiltered public water system. It shall be
					 the duty of the watershed inspectors and other water supply officials to see
					 that these signs are posted and maintained.
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 July 1, 1994; September 1, 1979;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1100 - PROTECTION OF UNFILTERED PUBLIC WATER SUPPLIES › Section 18C .1108 - CONTINUOUS DISINFECTION OF WATER SUPPLY

Current through Register Vol. 39, No. 2, July 15, 2024
The water supply shall be continuously disinfected by means
					 of chlorination or by other methods approved by the Commission for Public
					 Health. Equipment shall be provided to assure uninterrupted
					 disinfection.
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1200 - PROTECTION OF FILTERED WATER SUPPLIES › Section 18C .1201 - RECREATIONAL ACTIVITIES

Current through Register Vol. 39, No. 2, July 15, 2024
(a) No recreational
				  activities shall be permitted on a class I or class II reservoir without a
				  resolution by the commission or without approval by the Department. The
				  Department may approve recreational events on a class I or class II reservoir
				  which last one day or less upon a showing that the recreational event will not
				  adversely affect the quality of the water to the point of rendering it
				  unsuitable as a source for a public water system. All other recreational
				  activities on a class I or class II reservoir shall be permitted only upon a
				  resolution by the commission authorizing the activity.
(b) Upon request for such a resolution, the
				  Division shall make or cause to be made a thorough investigation of the quality
				  of the water to determine the extent to which the proposed recreational
				  activities would adversely affect the quality of the water. If, after such
				  investigation, the Commission for Public Health is of the opinion that the
				  proposed recreational activities will not adversely affect the quality of the
				  water to the point of rendering it unsuitable as a source of public water
				  system, the Commission for Public Health may adopt a resolution authorizing the
				  proposed recreational activities.
(c) Only those recreational activities
				  specifically authorized in the resolution will be allowed. No recreational
				  activities shall be permitted within 50 yards of any public water system
				  intake.
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 October 1, 1985; September 1, 1979;
Transferred and Recodified from
					 10 NCAC
					 10D .1301 Eff. April 4, 1990;
Amended Eff. July 1, 1994; September 1, 1990;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1200 - PROTECTION OF FILTERED WATER SUPPLIES › Section 18C .1202 - PROTECTION OF WATER QUALITY

Current through Register Vol. 39, No. 2, July 15, 2024
The issuance of a resolution by the Commission for Public
					 Health for recreational activities on public water supply reservoirs shall be
					 contingent upon the governing authority establishing provisions for adequate
					 sanitation facilities, supervision and police control to insure the protection
					 of the water quality.
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Transferred and
					 Recodified from
					 10 NCAC
					 10D .1311 Eff. April 4, 1990;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1200 - PROTECTION OF FILTERED WATER SUPPLIES › Section 18C .1203 - MAINTENANCE OF PARKS

Current through Register Vol. 39, No. 2, July 15, 2024
Parks or other places of resort for the use and
					 entertainment of the public which may be established and maintained on a
					 watershed shall be provided with sanitary facilities for the collection of
					 garbage and disposal of sewage. Such facilities must not cause deterioration of
					 water quality. Persons in charge of such facilities must maintain these
					 facilities at all times in order to prevent the pollution of the public water
					 system.
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Amended Eff.
					 September 1, 1979;
Transferred and Recodified from
					 10 NCAC
					 10D .1302 Eff. April 4, 1990;
Amended Eff. July 1, 1994; September 1, 1990;
Pursuant to
					 G.S.
					 150B-21.3A, rule is necessary without
					 substantive public interest Eff. November 23,
					 2015.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1200 - PROTECTION OF FILTERED WATER SUPPLIES › Section 18C .1204 - FISHING

Current through Register Vol. 39, No. 2, July 15, 2024
(a) Fishing shall
				  not be permitted on any Class I or Class II public water supply reservoir
				  without a resolution granting permission by the Commission for Public Health.
				  In order to obtain permission, a written application shall be submitted by the
				  owner of the water supply to the Commission for Public Health. Permission shall
				  not be issued until an investigation has been made by an authorized
				  representative of the Division of Water Resources and a determination made that
				  fishing in the reservoir shall not adversely affect the water
				  quality.
(b) The application
				  requesting permission to fish in any reservoir shall be accompanied by
				  sufficient evidence (such as ordinances adopted by the applicant) to insure
				  that the following requirements shall be enforced by the applicant:
(1) Fishing shall be permitted only from
				  boats owned or controlled by the applicant. Boats will at all times be under
				  the supervision and jurisdiction of a responsible representative of the
				  applicant. Bank fishing may be permitted in restricted supervised areas with
				  proper sanitation facilities when included as a specific, listed activity and
				  approved by the Commission for Public Health.
(2) A sufficient number of wardens and
				  watershed inspectors shall be employed at all times to insure that no acts of
				  urination, defecation, or other acts which would defile the water supply are
				  committed by any person while fishing in the public water supply
				  reservoir.
(3) A dock shall be
				  provided or controlled by the applicant for the purpose of docking fishing
				  boats. No boat shall enter or leave the reservoir except from a ramp owned or
				  controlled by the applicant.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1200 - PROTECTION OF FILTERED WATER SUPPLIES › Section 18C .1205 - REPEALED - PERMISSION TO FISH

Current through Register Vol. 39, No. 2, July 15, 2024
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Transferred and
					 Recodified from
					 10 NCAC
					 10D .1501 Eff. April 4, 1990;
Repealed Eff. September 1, 1990.
North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter C - WATER SUPPLIES › Section .1200 - PROTECTION OF FILTERED WATER SUPPLIES › Section 18C .1206 - REPEALED - ENFORCEMENT OF FISHING REQUIREMENTS

Current through Register Vol. 39, No. 2, July 15, 2024
Authority
					 G.S.
					 130A-315;
					 130A-320;
					 P.L.
					 93-523;
Eff. January 1,
					 1977;
Readopted Eff. December 5, 1977;
Transferred and
					 Recodified from
					 10 NCAC
					 10D .1502 Eff. April 4, 1990;
Repealed Eff. September 1, 1990.