HOLLISTON WATER DEPARTMENT
PWSID: MA2136000 · Holliston, MA · Serves 15,139 people
According to EPA Safe Drinking Water Information System (SDWIS), HOLLISTON WATER DEPARTMENT (PWSID MA2136000) in Holliston, MA is listed as a CWS water system covering about 15,139 people. The same extract lists 12 health-based violation records spanning 2017-2017. Those 12 health-based rows for HOLLISTON WATER DEPARTMENT cover contaminants such as Total Haloacetic Acids (HAA5), TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.
HOLLISTON WATER DEPARTMENT has 12 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 Total Haloacetic Acids (HAA5), TTHM. Recorded violations span 2017–2017. 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)
- MA2136000
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Holliston, MA
- Population Served
- 15,139
- Health Violations
- Yes (12)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Haloacetic Acids (HAA5) | 6 | 6 |
| TTHM | 6 | 6 |
Violation History (12)
| Contaminant | Health | Date |
|---|---|---|
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
Frequently Asked Questions
What does EPA SDWIS list for HOLLISTON WATER DEPARTMENT?
How many people does HOLLISTON WATER DEPARTMENT serve?
What violations does HOLLISTON WATER DEPARTMENT have?
What contaminants have been found in HOLLISTON WATER DEPARTMENT water?
Compare beyond Massachusetts
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest HOLLISTON WATER DEPARTMENT on cumulative violation count (12) and EPA-reported population served (15,139). Violation-count peers include SAC & FOX (MESKWAKI) IN IOWA, Walker River Paiute Tribe, CRAIG PUBLIC WORKS. Population peers include BOAZ WATER & SEWER BOARD, MENASHA ELEC & WATER UTIL, LPWD SOUTH.
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
HOLLISTON WATER DEPARTMENT (MA2136000) is drawn from EPA SDWIS. Nearby county systems in this extract include LOWELL REGIONAL WATER UTILITY; CAMBRIDGE WATER DEPARTMENT; NEWTON WATER DEPT. (MWRA); SOMERVILLE WATER DEPT. (MWRA). Health-based rows (12 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.