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Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS IDNH1191010
PWS NameCONTOOCOOK VILLAGE PCT
PWS TypeCommunity water system
Owner TypeLocal government
Primary SourceSurface water
Primacy TypeState
Is Wholesaler?No
Population Served1600
County ServedMerrimack

Note

The tables below list all violations that the state reported to EPA for this water system. Health-based violations are listed first, followed by treatment technique, MRDL, monitoring, reporting, and other violations.

Health-based Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.
Maximum Contaminant Level or MCL The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Treatment Technique A required process intended to reduce the level of a contaminant in drinking water.
Maximum residual disinfectant level or MRDL The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Monitoring & reporting Failure to conduct regular monitoring of drinking water quality, as required by SDWA, or to submit monitoring results in a timely fashion to the primacy agency or EPA.
Public notification & other Failure to provide notification to the public as required by the Violations of Public Notification Rule and the Consumer Confidence Report Rule, and violations of other requirements such as those violations related to variances and exemptions.

PWS Violation

Violations

Violation Category CodeViolation Type DescriptionRule NameContaminant NameViolation IDCompliance Status DescriptionCompliance Period Begin DateCompliance Period End DateIs Health Based Ind
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM2600047Known01-OCT-202531-DEC-2025Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2600048Known01-OCT-202531-DEC-2025Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM2500045Known01-JUL-202530-SEP-2025Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2500046Known01-JUL-202530-SEP-2025Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM2500043Known01-APR-202530-JUN-2025Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2500044Known01-APR-202530-JUN-2025Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM2500041Known01-JAN-202531-MAR-2025Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2500042Known01-JAN-202531-MAR-2025Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM2500039Known01-OCT-202431-DEC-2024Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2500040Known01-OCT-202431-DEC-2024Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM2400037Known01-JUL-202430-SEP-2024Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2400038Known01-JUL-202430-SEP-2024Yes
TTTreatment Technique (SWTR and GWR)Surface Water Treatment RuleSurface Water Treatment Rule2400033Returned to Compliance01-MAY-202401-JUN-2024Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2400036Known01-APR-202430-JUN-2024Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2400032Known01-JAN-202431-MAR-2024Yes
MRMonitoring of Treatment (SWTR-Filter)Long Term 2 Enhanced Surface Water Treatment RuleLong Term 2 Enhanced Surface Water Treatment Rule2400031Known01-JAN-202431-JAN-2024No
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2100029Returned to Compliance01-JUL-202130-SEP-2021Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2100028Returned to Compliance01-APR-202130-JUN-2021Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2100027Returned to Compliance01-JAN-202131-MAR-2021Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2100026Returned to Compliance01-OCT-202031-DEC-2020Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2000025Returned to Compliance01-JUL-202030-SEP-2020Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2000024Returned to Compliance01-APR-202030-JUN-2020Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)2000023Returned to Compliance01-JAN-202031-MAR-2020Yes
MRMonitoring of Treatment (SWTR-Filter)Long Term 2 Enhanced Surface Water Treatment RuleLong Term 2 Enhanced Surface Water Treatment Rule1900018Known01-FEB-201928-FEB-2019No
MRMonitoring of Treatment (SWTR-Filter)Long Term 2 Enhanced Surface Water Treatment RuleLong Term 2 Enhanced Surface Water Treatment Rule1900017Known01-DEC-201831-DEC-2018No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTTHM1800016Returned to Compliance01-JAN-201801-APR-2018No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)1800015Returned to Compliance01-JAN-201801-APR-2018No
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)1300014Returned to Compliance01-NOV-201230-NOV-2012Yes
MCLMaximum Contaminant Level Violation, AverageStage 1 Disinfectants and Disinfection Byproducts RuleTTHM0600010Returned to Compliance01-JAN-200631-MAR-2006Yes
MCLMaximum Contaminant Level Violation, AverageStage 1 Disinfectants and Disinfection Byproducts RuleTTHM0600009Returned to Compliance01-OCT-200531-DEC-2005Yes
MCLMaximum Contaminant Level Violation, AverageStage 1 Disinfectants and Disinfection Byproducts RuleTTHM0500008Returned to Compliance01-OCT-200431-DEC-2004Yes
  • 1 - 31 of 31

Enforcement Actions

Enforcement Actions

Latest Enforcement IDAssociated To Violation IDEnforcement Action Type CodeEnforcement Action DescriptionEnforcement DateOriginator DescriptionEnforcement Comment
26001292500046SIFState Public Notification received13-NOV-2025State -
26001302500045SIFState Public Notification received13-NOV-2025State -
25001232500044SIFState Public Notification received25-AUG-2025State -
25001242500043SIFState Public Notification received25-AUG-2025State -
25001162500042SIFState Public Notification received29-MAY-2025State -
25001172500041SIFState Public Notification received29-MAY-2025State -
25001112500039SIFState Public Notification received12-FEB-2025State -
25001102500040SIFState Public Notification received12-FEB-2025State -
25001042400037SIFState Public Notification received25-NOV-2024State -
25001052400038SIFState Public Notification received25-NOV-2024State -
25001002400032SFJState Formal Notice of Violation issued12-NOV-2024State -
25001012400036SFJState Formal Notice of Violation issued12-NOV-2024State -
24000892400033SIFState Public Notification received01-JUL-2024State -
22000742000024SOXState Compliance achieved08-DEC-2021State -
22000782100028SOXState Compliance achieved08-DEC-2021State -
22000772100027SOXState Compliance achieved08-DEC-2021State -
22000762100026SOXState Compliance achieved08-DEC-2021State -
22000752000025SOXState Compliance achieved08-DEC-2021State -
22000792100029SOXState Compliance achieved08-DEC-2021State -
22000732000023SOXState Compliance achieved08-DEC-2021State -
18000341800015SOXState Compliance achieved21-MAY-2018State -
18000331800016SOXState Compliance achieved21-MAY-2018State -
13000281300014SOXState Compliance achieved03-JUN-2013State -
7000180600010SOXState Compliance achieved25-JUL-2006State -
7000180600009SOXState Compliance achieved25-JUL-2006State -
7000180500008SOXState Compliance achieved25-JUL-2006State -
  • 1 - 26 of 26

PWS Facilities

All Facilities

Facility NameFacility IDIs SourceFacility Type DescriptionWater Type DescriptionAvailability DescriptionFacility Activity Status
BEAR POND /INTAKE 70' OFF SHORE1YesIntakeSurface waterPermanentActive
TREATMENT PLANT501NoTreatment Plant - - Active
  • 1 - 2 of 2

PWS Treatment Processes

Treatment Processes

Facility NameFacility IDTreatment ProcessTreatment Objective
TREATMENT PLANT501FilteredParticulate removal
TREATMENT PLANT501Hypochlorination, PostDisinfection
TREATMENT PLANT501pH Adjustment, PostCorrosion control
TREATMENT PLANT501Filtration, Pressure SandParticulate removal
  • 1 - 4 of 4
For more information on a Water System:
Ask the operators of your water system, contact your primacy agency or file a Freedom of Information Act (FOIA) request.
Drinking water in general: Find out more about your drinking water web site or call the Safe Drinking Water Hotline (1-800-426-4791). EPA has also prepared a table about various regulated drinking water contaminants.
Tools for accessing EPA drinking water data: Safe Drinking Water Information System (SDWIS) Federal Reporting Services and Drinking Water Performance and Results Report.
Research Data: As well as monitoring the levels of drinking water contaminants for which EPA has set standards, EPA, states, and water systems also carry out studies of contaminants that may need to be regulated in the future. For more information about these contaminants, please see the National Contaminant Occurrence Database.