WESTBOROUGH WATER DEPARTMENT
PWSID: MA2328000 · Westborough, MA · Serves 21,567 people
According to EPA Safe Drinking Water Information System (SDWIS), WESTBOROUGH WATER DEPARTMENT (PWSID MA2328000) in Westborough, MA is listed as a CWS water system covering about 21,567 people. The same extract lists 2 health-based violation records spanning 2016-2025. Those 2 health-based rows for WESTBOROUGH WATER DEPARTMENT cover contaminants such as Surface Water Treatment Rule, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
WESTBOROUGH WATER DEPARTMENT has 2 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Surface Water Treatment Rule, Coliform (TCR). Recorded violations span 2016–2025. Day-to-day primacy enforcement for this system runs through the Massachusetts drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current 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)
- MA2328000
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Westborough, MA
- Population Served
- 21,567
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Surface Water Treatment Rule | 1 | 1 |
| Coliform (TCR) | 1 | 1 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| Surface Water Treatment Rule | Yes | Nov 1, 2025 |
| Coliform (TCR) | Yes | Feb 1, 2016 |
Frequently Asked Questions
What does EPA SDWIS list for WESTBOROUGH WATER DEPARTMENT?
How many people does WESTBOROUGH WATER DEPARTMENT serve?
What violations does WESTBOROUGH WATER DEPARTMENT have?
What contaminants have been found in WESTBOROUGH WATER DEPARTMENT water?
Compare beyond Massachusetts
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest WESTBOROUGH WATER DEPARTMENT on cumulative violation count (2) and EPA-reported population served (21,567). Violation-count peers include SAINT REGIS MOHAWK TRIBE, REDBY/RED LAKE, Kickapoo Traditional Tribe. Population peers include SANTA FE I.D., LAFAYETTE WATER SYSTEM, GRAND CHUTE TN SAN DIST 1.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
WESTBOROUGH WATER DEPARTMENT (MA2328000) is drawn from EPA SDWIS. Nearby county systems in this extract include WORCESTER DPWP, WATER SUPPLY DIVISION; FITCHBURG DPW DIVISION OF WATER SUPPLY; LEOMINSTER WATER DIVISION; SHREWSBURY WATER DEPARTMENT. Health-based rows (2 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.