CHESTER WATER DEPT
PWSID: MA1059000 · Chester, MA · Serves 750 people
CHESTER WATER DEPT has 12 health-based violations out of 12 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
CHESTER WATER DEPT (PWSID MA1059000) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 750 people in Chester, MA, and is subject to primacy enforcement by the Massachusetts drinking-water program.
The system's federal compliance record contains 12 total violations, with 12 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Total Trihalomethanes (TTHM), Atrazine. Recorded violations span 2018–2024.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Massachusetts state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- MA1059000
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Chester, MA
- Population Served
- 750
- Health Violations
- Yes (12)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Trihalomethanes (TTHM) | 10 | 10 |
| Atrazine | 2 | 2 |
Violation History (12)
| Contaminant | Health | Date |
|---|---|---|
| Atrazine | Yes | Jul 1, 2024 |
| Atrazine | Yes | Jul 1, 2024 |
| Total Trihalomethanes (TTHM) | Yes | Apr 1, 2020 |
| Total Trihalomethanes (TTHM) | Yes | Jan 1, 2020 |
| Total Trihalomethanes (TTHM) | Yes | Oct 1, 2019 |
| Total Trihalomethanes (TTHM) | Yes | Jul 1, 2019 |
| Total Trihalomethanes (TTHM) | Yes | Jan 1, 2019 |
| Total Trihalomethanes (TTHM) | Yes | Oct 1, 2018 |
| Total Trihalomethanes (TTHM) | Yes | Jul 1, 2018 |
| Total Trihalomethanes (TTHM) | Yes | Jul 1, 2018 |
| Total Trihalomethanes (TTHM) | Yes | Apr 1, 2018 |
| Total Trihalomethanes (TTHM) | Yes | Apr 1, 2018 |
Frequently Asked Questions
Is CHESTER WATER DEPT water safe to drink?
How many people does CHESTER WATER DEPT serve?
What violations does CHESTER WATER DEPT have?
What contaminants have been found in CHESTER WATER DEPT water?
Nearby Water Systems
Explore More
About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.