EXETER WATER DEPT
New Hampshire — Community Water System — PWSID: NH0801010
System Information
| PWSID | NH0801010 |
| System Name | EXETER WATER DEPT |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 8, 1979 |
| Last Reported | Feb 19, 2026 |
Location & Contact
| State | New Hampshire |
| City | EXETER |
| ZIP Code | 03833 |
| Address | 13 NEWFIELDS RD |
| Organization | TOWN OF EXETER |
| Phone | — |
Population & Service
| Population Served | 12,236 |
| Service Connections | 3,515 |
Drinking Water Violations (271)
This water system has 271 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | — | Archived | Dec 31, 2025 | — | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | — | Archived | Dec 31, 2025 | — | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .112 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .112 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .112 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .112 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .112 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .104 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .104 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .104 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .104 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .104 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .1155 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .1155 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .1155 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .1155 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .1155 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .117 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .117 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2018 | — | |
| Apr 1, 2018 | Jul 1, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jul 1, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .117 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .117 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2018 | — | |
| Apr 1, 2018 | Jul 1, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jul 1, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .117 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .118 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .118 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .118 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .118 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .118 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2018 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .112 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .112 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .112 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .112 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .112 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .107 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .107 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .107 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .107 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .107 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2017 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.