Public water system record

Contoocook Village PCT

Serves Contoocook, Merrimack County, NH · 1,600 people served

Federal records show 22 health-based violations and 5 monitoring/reporting issues for Contoocook Village PCT in the last ten years. The most serious issue in this window was a Haloacetic Acids (HAA5) violation that EPA lists as archived, not resolved.

NH1191010
CONCORD
NH
1,600 served

System profile

Source water Surface water

ZIP 03301

EPA system ID NH1191010

Verify this system on EPA ECHO →

Health-based violations, last 10 years: 22
Resolved: 8
Unresolved: 0
Archived by EPA: 14
Any acute record: No
Monitoring issues, last 10 years: 5

Key facts

Contoocook Village PCT draws water from 1 surface water intake.
Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.148 mg/L, federal limit 0.06 mg/L (2.5 times the limit), 2025.
Record on file since 2004, with 4 health-based violations before October 19, 2016.

Check whether Contoocook Village PCT serves your address

Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant	Rule family	Start date	Status	Acute
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.148 mg/L, federal limit 0.06 mg/L (2.5 times the limit)	220	Oct 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.11 mg/L, federal limit 0.08 mg/L (1.4 times the limit)	220	Oct 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.148 mg/L, federal limit 0.06 mg/L (2.5 times the limit)	220	Jul 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.101 mg/L, federal limit 0.08 mg/L (1.3 times the limit)	220	Jul 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.125 mg/L, federal limit 0.06 mg/L (2.1 times the limit)	220	Apr 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)	220	Apr 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.104 mg/L, federal limit 0.06 mg/L (1.7 times the limit)	220	Jan 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)	220	Jan 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.114 mg/L, federal limit 0.06 mg/L (1.9 times the limit)	220	Oct 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)	220	Oct 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.099 mg/L, federal limit 0.06 mg/L (1.7 times the limit)	220	Jul 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)	220	Jul 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Surface Water Treatment Rule Treatment technique failure	120	May 1, 2024	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.107 mg/L, federal limit 0.06 mg/L (1.8 times the limit)	220	Apr 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.078 mg/L, federal limit 0.06 mg/L (1.3 times the limit)	220	Jan 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.068 mg/L, federal limit 0.06 mg/L (1.1 times the limit)	220	Jul 1, 2021	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.074 mg/L, federal limit 0.06 mg/L (1.2 times the limit)	220	Apr 1, 2021	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.071 mg/L, federal limit 0.06 mg/L (1.2 times the limit)	220	Jan 1, 2021	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.072 mg/L, federal limit 0.06 mg/L (1.2 times the limit)	220	Oct 1, 2020	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.074 mg/L, federal limit 0.06 mg/L (1.2 times the limit)	220	Jul 1, 2020	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.068 mg/L, federal limit 0.06 mg/L (1.1 times the limit)	220	Apr 1, 2020	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)	220	Jan 1, 2020	Resolved	No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue	Start date	Status
Long Term 2 Enhanced Surface Water Treatment Rule Monitoring and reporting	Jan 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Long Term 2 Enhanced Surface Water Treatment Rule Monitoring and reporting	Feb 1, 2019	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Long Term 2 Enhanced Surface Water Treatment Rule Monitoring and reporting	Dec 1, 2018	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Trihalomethanes (TTHMs) Monitoring and reporting	Jan 1, 2018	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Jan 1, 2018	Resolved

Full record since 2004

EPA's records for Contoocook Village PCT go back to 2004. Before October 19, 2016 they list 4 health-based violations (4 resolved) and no monitoring or reporting violations.

Violations that began in	Health-based	Monitoring and reporting
2000s	3	0
2010 to October 18, 2016	1	0
October 19, 2016 to 2019	0	4
2020s	22	1

Most recent health-based violation before October 19, 2016: Total Coliform, began November 2012, Resolved.

Show all 4 health-based violations before October 19, 2016

Contaminant	Start date	Status
Total Coliform Contaminant limit exceeded	Nov 1, 2012	Resolved
Total Trihalomethanes (TTHMs) Contaminant limit exceeded	Jan 1, 2006	Resolved
Total Trihalomethanes (TTHMs) Contaminant limit exceeded	Oct 1, 2005	Resolved
Total Trihalomethanes (TTHMs) Contaminant limit exceeded	Oct 1, 2004	Resolved

What the violations mean

Haloacetic Acids (HAA5)

15 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Total Trihalomethanes (TTHMs)

6 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Surface Water Treatment Rule

1 incident

The system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Contoocook Village PCT draws water from 1 surface water intake.

Annual water quality report

Contoocook Village PCT must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by New Hampshire.

Certified drinking water labs by state EPA guidance for private wells

Lead pipes

Total service lines reported	628
Lead pipes confirmed	Not reported
Galvanized pipes needing replacement	Not reported
Pipes with unknown material	628
Non-lead pipes confirmed	Not reported
Pipes that may be lead or unknown	100.0% (628)
Inventory submitted	Nov 1, 2025
EPA reporting status	Reported some but not all service line types Needs attention

Lines of unknown material count as possible lead until the utility identifies them.

Verify on EPA SDWIS EPA Get the Lead Out guidance