F0/100
PUTNAM WATER POLLUTION CONTROL AUTHORITY — Water Quality Report 2026
Serving 7,300 people · Connecticut
Water Source
Surface Water
County
—
System ID
CT1160011
Violations
143
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 3.30 mg/L | 1.30 mg/L | Over Limit |
PFOA | 0.009 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About PUTNAM WATER POLLUTION CONTROL AUTHORITY
Is PUTNAM WATER POLLUTION CONTROL AUTHORITY water safe to drink?
PUTNAM WATER POLLUTION CONTROL AUTHORITY water receives a grade of F (0/100), which is considered failing. 2 contaminant(s) exceed EPA legal limits and 143 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PUTNAM WATER POLLUTION CONTROL AUTHORITY detected?
32 contaminants were tested in PUTNAM WATER POLLUTION CONTROL AUTHORITY's water. Notable contaminants include Copper (90th percentile), PFOA, Lead (90th percentile). 2 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does PUTNAM WATER POLLUTION CONTROL AUTHORITY have any EPA violations?
Yes, PUTNAM WATER POLLUTION CONTROL AUTHORITY has 143 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, Other, MON. 18 are health-based violations.
How many people does PUTNAM WATER POLLUTION CONTROL AUTHORITY serve?
PUTNAM WATER POLLUTION CONTROL AUTHORITY serves approximately 7,300 people, Connecticut. The system provides water to 3 communities: Putnam, Thompson, Woodstock.
What type of water does PUTNAM WATER POLLUTION CONTROL AUTHORITY provide?
PUTNAM WATER POLLUTION CONTROL AUTHORITY sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CT1160011.
How does PUTNAM WATER POLLUTION CONTROL AUTHORITY compare to other utilities in Connecticut?
PUTNAM WATER POLLUTION CONTROL AUTHORITY scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Connecticut state page for a full comparison of water systems.