Iowa Administrative Code › Agency 567 - Environmental Protection Commission › Title II - Air Quality › Division B › Chapter 42 - Public Notification, Public Education, Consumer Confidence Reports, Reporting, and Record Maintenance › Appendix B - Minimum Self-monitoring Requirements (SMR)

Current through Register Vol. 47, No. 3, July 24, 2024
I. Minimum Self-Monitoring Requirements for TNCs
					 (excluding surface water or influenced groundwater PWSs) Notes:
* The self-monitoring requirements (SMRs) only apply to
					 those supplies meeting the required operation records applicability criteria in
					 42.4(3) "a "(1).
* TNCs are exempt from the self-monitoring requirements for
					 point-of-use treatment devices, unless the device is used to remove a
					 contaminant which has a maximum contaminant level or treatment technique, in
					 which case additional SMRs will be assigned by the department.
* Daily monitoring for TNCs applies only when the facility
					 is in operation.
* Additional or more frequent monitoring requirements may
					 be assigned by the department in the operation permit.
* Additional SMRs are required if treatment is used to
					 remove a regulated contaminant. See Section II for the requirements under the
					 specific treatment type.
General Requirements
All TNCs which meet the required operation records
					 applicability criteria in 42.4(3)"a"(l) must measure the following parameters,
					 where applicable. Additional SMRs are required if treatment is used to remove a
					 contaminant which has a maximum contaminant level or treatment technique. See
					 Section II for the requirements under the specific treatment type.
PWS Type:
TNC*
Parameter
Sample Site
Frequency
Pumpage (Flow)
raw:
final:
1/week
1/week
Disinfectant Residual***
final:
distribution system**:
1/day
1/day
Disinfectant, quantity used
day tank/scale:
1/day
Static Water and Pumping
Water Levels (Drawdown)
each active well:
1/month
*TNCs must measure and record the
					 total water used each week, but daily measurements are recommended, and may be
					 required by the department in specific PWSs.
"Monitoring is to be conducted at representative points in
					 the distribution system which adequately demonstrate compliance with 42.4(3) "6
					 "(1).
***The department may reduce the required sample site
					 locations for a system with a minimal distribution system and only
					 hydropneumatic tank storage.
II. Minimum Self-Monitoring Requirements for CWS, NTNC, and
					 IGW/SW TNC Notes:
* The self-monitoring requirements (SMR) only apply to
					 those supplies meeting the required operation records applicability criteria in
					 42.4(3)
"a "
(1).
* NTNCs are exempt from the self-monitoring requirements
					 for point-of-use treatment devices, unless the device is used to remove a
					 contaminant which has a maximum contaminant level, treatment technique, action
					 level, or health advisory, in which case additional SMRs will be assigned by
					 the department.
* Daily monitoring for NTNCs applies only when the facility
					 is in operation.
* These are the minimum self-monitoring requirements.
					 Additional or more frequent monitoring requirements may be assigned by the
					 department in the operation permit.
A. General Requirements
All PWSs which meet the required operation records
					 applicability criteria in 42.4(3) "a "(1) must measure the following
					 parameters, where applicable:
PWS Type:
NTNC* & IGW/SW TNC
CWS
Parameter
Sample Site
Frequency
Frequency
Pumpage (Flow)
raw:
1/week
1/day
bypass:
1/week
1/day
final:
1/week
1/day
Static Water and Pumping Water Levels
								(Drawdown)
each active well:
1/month
1/month
*NTNCs must measure and record the total water used each
					 week, but daily measurements are recommended, and may be required by the
					 department in specific PWSs.
B. Chemical Addition
All PWSs which apply chemicals in the treatment process
					 must monitor the following parameters, for the applicable processes:
Pumpage or Flow:
<0.1 MOD
0.1-0.5 MOD
>0.5 MOD
Parameter
Sample Site
Frequency
Frequency
Frequency
DISINFECTION
Disinfectant Residual**
final:
distribution system*:
1/day
1/day
1/day
1/day
1/day
1/day
Disinfectant, quantity used
day tank/scale:
1/day
1/day
1/day
FLUORIDATION
Fluoride
raw:
final:
1/quarter
1/day
1/month
1/day
1/month
1/day
Fluoride, quantity used
day tank/scale:
1/day
1/day
1/day
pH ADJUSTMENT
pH
final:
1/week
2/week
1/day
Caustic Soda, quantity used
day tank/scale:
1/week
1/week
1/week
PHOSPHATE ADDITION
Phosphate, as PO4
final:
1/week
2/week
1/day
Phosphate, quantity used
day tank/scale:
1/week
1/week
1/week
OTHER CHEMICALS
Chemical
final:
1/week
2/week
1/day
Chemical, quantity used
day tank/scale:
1/week
1/week
1/week
* Monitoring is to be conducted at representative points in
					 the distribution system which adequately demonstrate compliance with 42.4(3) "6
					 "(1).
** The department may reduce the required sample site
					 locations for a system with a minimal distribution system, only hydropneumatic
					 tank storage, and, if a CWS, it serves less than 100 persons.
C. Iron or Manganese Removal
Nonmunicipalities except rural water systems, benefited
					 water districts, and publicly owned PWSs are exempt from monitoring of
					 iron/manganese removal equipment unless the treatment is or was installed to
					 remove a contaminant which has a maximum contaminant level, treatment
					 technique, action level, or health advisory. Any chemicals which are applied
					 during the treatment process must be measured under section "B. Chemical
					 Addition" of this table.
Pumpage or Flow:
<0.1 MGD
0.1-0.5 MGD
>0.5 MGD
Parameter
Sample Site
Frequency
Frequency
Frequency
Iron
raw:
1/quarter
1/month
1/month
final:
1/week
2/week
1/day
Manganese
raw:
1/quarter
1/month
1/month
final:
1/week
2/week
1/day
D. pH Adjustment for Iron and Manganese Removal, by
					 precipitation and coagulation processes utilizing lime, soda ash, or other
					 chemical additions. Testing is only required if a specific chemical is added.
Pumpage or Flow:
<0.1 MGD
0.1-0.5 MGD
>0.5 MGD
Parameter
Sample Site
Frequency
Frequency
Frequency
Alkalinity
raw:
1/quarter
1/month
1/month
final:
1/week
2/week
1/day
Iron
raw:
1/quarter
1/month
1/month
final:
1/week
2/week
1/day
Manganese
raw:
1/quarter
1/month
1/month
final:
1/week
2/week
1/day
pH
raw:
1/week
1/week
1/week
final:
1/week
2/week
1/day
E. Cation Exchange (Zeolite) Softening
Nonmunicipalities except for rural water systems and
					 benefited water districts are exempt from the monitoring of water quality
					 parameters associated with ion-exchange softening unless the treatment is or
					 was installed to remove a contaminant which has a maximum contaminant level,
					 treatment technique, action level, or health advisory. An annual sodium sample
					 of the final water is required of all community systems that use cation
					 exchange softening, and will also meet the special sodium monitoring
					 requirement of 567-paragraph 41.11(1)
''f"
Pumpage or Flow:
<0.1 MGD
0.1-0.5 MGD
>0.5 MGD
Parameter
Sample Site
Frequency
Frequency
Frequency
Hardness as CaCO3
raw:
1/quarter
1/month
1/month
final:
1/week
2/week
1/day
pH
final:
1/week
2/week
1/day
Sodium*
final:
1/year
1/year
1/year
* The annual sodium sample required in 567-paragraph
					 41.11(1)'/" will satisfy this requirement.
F. Direct Filtration of Surface Waters or Influenced
					 Groundwaters
Pumpage or Flow:
All
Parameter
Sample Site
Frequency
CT Ratio
final:
1/day
Disinfectant Residual*
source/entry point: distribution system*:
continuous daily
Disinfectant, quantity used
day tank/scale:
1/day
pH
final:
1/day
Temperature
raw:
1/day
Turbidity
raw:
final:
see 567-subrules 43.5(3) and 43.5(4), and
								567-439. (455B) for the specific
								requirements
*Monitoring is to be conducted to demonstrate compliance
					 with paragraph 42.4(3)
"b"
567-subrules 43.5(2) and 43.5(4), and
					 567-43.6(455B).
G. Clarification or Lime Softening of Surface Waters or
					 Influenced Groundwaters
Pumpage or Flow:
All
Parameter
Sample Site
Frequency
Alkalinity
raw:
1/day
final:
1/day
Caustic Soda, quantity used
day tank/scale:
1/week
CT Ratio
final:
1/day
Disinfectant Residual*
source/entry point: distribution system*:
continuous daily
Disinfectant, quantity used
day tank/scale:
1/day
Hardness as CaCO3
raw:
1/day
final:
1/day
Odor
raw:
1/week
final:
1/day
pH
raw:
1/day
final:
1/day
Temperature
raw:
1/day
Turbidity
raw: final:
see 567-subrules 43.5(3) and 43.5(4), and
								567-439. (455B) for the specific
								requirements
*Monitoring is to be conducted to demonstrate compliance
					 with paragraph 42.4(3)
"b "
567-subrules 43.5(2) and 43.5(4),
					 and 567-43.6(455B).
H. Lime Softening of Groundwaters (excluding IGW)
Pumpage or Flow
<0 1 MGD
>0 1 MGD
Parameter
Sample Site
Frequency
Frequency
Alkalinity
raw
1/quarter
1/month
final
1/day
1/day
Hardness as CaCO3
raw
1/quarter
1/month
final
1/day
1/day
pH
raw
1/week
1/week
final
1/day
1/day
Temperature
raw
1/week
1/week
I. Reverse Osmosis or Electrodialysis
Pumpage or Flow:
<0.1 MGD
>0.1 MGD
Parameter
Sample Site
Frequency
Frequency
Alkalinity
raw:
1/quarter
1/month
final:
1/day
1/day
Hardness as CaCO3
raw:
1/quarter
1/month
final:
1/day
1/day
Iron
raw:
1/day
1/day
Manganese
raw:
1/day
1/day
pH
raw:
1/week
1/week
final:
1/day
1/day
Total Dissolved Solids
raw:
1/month
1/month
J. Anion Exchange (i.e., Nitrate Reduction)
Pumpage or Flow:
<0.1 MGD
>0.1 MGD
Parameter
Sample Site
Frequency
Frequency
Nitrate
raw:
1/day
1/day
final:
1/day
1/day
Sulfate
raw:
1/week
1/week
final:
1/week
1/week
K. Activated Carbon for TTHM, VOC, or SOC Removal (GAC or
					 PAC)
Pumpage or Flow:
<0.1 MGD
>0.1 MGD
Parameter
Sample Site
Frequency
Frequency
Total Organic Carbon (TOC)
final:
1/quarter
1/month
L. Air-Stripping for TTHM, VOC, or SOC Removal
Pumpage or Flow:
<0.1 MGD
>0.1 MGD
Parameter
Sample Site
Frequency
Frequency
Total Organic Carbon (TOC)
final:
1/quarter
1/month
M. Lead and Copper: Corrosion Control and Water Quality
					 Parameters
The specific SMRs for corrosion control and water quality
					 parameters are listed in 567-paragraph 41.4(1)
"d"
and
					 567-subrules 43.8(1) and 43.8(2).
N. Consecutive PWSs Supplied by a Surface Water or IGW PWS
Pumpage or Flow:
All
Parameter
Sample Site
Frequency
Disinfectant Residual
source/entry point: distribution system*:
1/day 1/day
Disinfectant, quantity used (if applicable)
day tank/scale:
1/day
Pumpage or Flow
master meter:
1/day
* Monitoring is to be conducted at representative points in
					 the distribution system.