HANOVER WATER DEPT
PWSID: MA4122000 · Hanover, MA · Serves 14,984 people
According to EPA Safe Drinking Water Information System (SDWIS), HANOVER WATER DEPT (PWSID MA4122000) in Hanover, MA is listed as a CWS water system covering about 14,984 people. The same extract lists 21 health-based violation records spanning 2018-2020. Those 21 health-based rows for HANOVER WATER DEPT cover contaminants such as TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.
HANOVER WATER DEPT has 21 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. 1 distinct EPA contaminant code appears in this system's record, including TTHM. Recorded violations span 2018–2020. 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)
- MA4122000
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Hanover, MA
- Population Served
- 14,984
- Health Violations
- Yes (21)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 21 | 21 |
Violation History (21)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
Frequently Asked Questions
What does EPA SDWIS list for HANOVER WATER DEPT?
How many people does HANOVER WATER DEPT serve?
What violations does HANOVER WATER DEPT have?
What contaminants have been found in HANOVER WATER DEPT water?
Compare beyond Massachusetts
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest HANOVER WATER DEPT on cumulative violation count (21) and EPA-reported population served (14,984). Violation-count peers include Dishchii Bikoh Community School - BIA Charter, NEW STUYAHOK WATER SYSTEM, MOUNTAIN VILLAGE WATER SYSTEM. Population peers include AMERICAN WATER O&M, LLC - VSFB, BERKLEY, LEMOORE NAVAL AIR STATION.
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
Explore More
About This Data
HANOVER WATER DEPT (MA4122000) is drawn from EPA SDWIS. Nearby county systems in this extract include BROCKTON WATER DEPARTMENT; PLYMOUTH WATER DEPARTMENT; WEIR RIVER WATER SYSTEM; MARSHFIELD WATER DEPARTMENT. Health-based rows (21 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.