Canaan Water Dept

PWSID: NH0351010

4 active violations (non-health-based)
This system has unresolved violations related to monitoring, reporting, or procedural requirements, but none involve contaminant levels exceeding EPA health limits.

This system has more violations on record than 98% of water systems in New Hampshire.

Violation trend: 8.2 per year over the last 5 years.

System Details

Population Served684
Service Connections203
Water SourceSurface Water
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityCanaan
EPA ZIP on File03741

Areas Served

  • Canaan, Grafton County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0160 mg/L0.015 mg/LExceeds Action Level

4 Active Violations

ContaminantViolationDateHealth-BasedStatus
7500Other2023-03-02Open
7500Other2023-03-02Open
7500Other2022-08-25Open
7500Other2022-08-25Open

Violation History (48 total)

ContaminantViolationDateHealth-BasedStatus
2950MR2024-10-01 MajorReturned to Compliance
2456MR2024-10-01 MajorReturned to Compliance
8000RPT2024-08-15Returned to Compliance
8000RPT2024-08-15Returned to Compliance
8000MON2024-07-01 MajorReturned to Compliance
8000MON2024-07-01 MajorReturned to Compliance
7500Other2022-10-19Returned to Compliance
7500Other2022-10-19Returned to Compliance
5000MR2022-10-01Returned to Compliance
5000MR2022-10-01Returned to Compliance
5000MR2022-10-01Returned to Compliance
2950MR2022-10-01Returned to Compliance
2950MR2022-10-01Acknowledged
2950MR2022-10-01Returned to Compliance
2950MR2022-10-01Returned to Compliance
2950MR2022-10-01Returned to Compliance
2456MR2022-10-01Returned to Compliance
2456MR2022-10-01Acknowledged
2456MR2022-10-01Returned to Compliance
2456MR2022-10-01Returned to Compliance
2456MR2022-10-01Returned to Compliance
8000RPT2022-09-08Returned to Compliance
8000RPT2022-09-08Returned to Compliance
8000RPT2022-09-08Returned to Compliance
8000MON2022-08-01 MajorReturned to Compliance
8000MON2022-08-01 MajorReturned to Compliance
8000MON2022-08-01 MajorReturned to Compliance
2950MR2022-04-01Returned to Compliance
2950MR2022-04-01Returned to Compliance
2950MR2022-04-01Returned to Compliance
2950MR2022-04-01Returned to Compliance
2456MR2022-04-01Returned to Compliance
2456MR2022-04-01Returned to Compliance
2456MR2022-04-01Returned to Compliance
2456MR2022-04-01Returned to Compliance
2950MCL
Measured: 0.0840 MG/L
2022-01-01YesReturned to Compliance
2950MCL
Measured: 0.0840 MG/L
2022-01-01YesReturned to Compliance
5000TT2014-11-27YesReturned to Compliance
5000MR2014-10-01Returned to Compliance
7500Other2014-09-11Returned to Compliance
5000MR2014-07-01Returned to Compliance
7000Other2013-07-01Returned to Compliance
7500Other2010-08-25Returned to Compliance
5000TT2010-07-01YesReturned to Compliance

Understanding This Water System's Record

Canaan Water Dept is a community water system water system that draws from surface water sources and serves a population of 684 in Canaan, New Hampshire. This page shows its complete compliance history as reported to the EPA's Safe Drinking Water Information System (SDWIS), the federal database that tracks every public water system in the United States.

What Do These Violations Mean?

Health-based violations mean the system exceeded an EPA maximum contaminant level (MCL) or failed to provide required treatment. These indicate potential health risks from contaminants like lead, arsenic, bacteria, nitrates, or disinfection byproducts. Non-health-based violations involve monitoring, reporting, or procedural requirements — the system missed a testing deadline or failed to notify customers, but contaminant levels were not necessarily unsafe.

What Should You Do?

Your water utility is required to publish an annual Consumer Confidence Report (CCR) that details test results and any violations. If your system has active health-based violations, consider a certified water filter rated for the specific contaminants involved. The contaminant guides on this site explain health risks and filter options for common pollutants. For the most current results, contact your water utility directly — EPA data can lag weeks or months behind real-time testing.