RSU 10 HARTFORD-SUMNER ELEMENTARY SCHOOL
Maine — Non-Transient Non-Community — PWSID: ME0000623
System Information
| PWSID | ME0000623 |
| System Name | RSU 10 HARTFORD-SUMNER ELEMENTARY SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Oct 24, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Maine |
| City | RUMFORD |
| ZIP Code | 04276 |
| Address | 799 HANCOCK STREET SUITE 1 |
| Organization | RSU 10 SUPERINTENDENT OF SCHOOLS |
| Phone | 207-369-5560 |
Population & Service
| Population Served | 342 |
| Service Connections | 1 |
Drinking Water Violations (49)
This water system has 49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2025 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 18, 2025 | Lead and Copper Rule |
| Apr 1, 2025 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 18, 2025 | Lead and Copper Rule |
| Sep 29, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 28, 2025 | Lead and Copper Rule |
| Sep 29, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 28, 2025 | Lead and Copper Rule |
| Mar 31, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Apr 9, 2023 | — | Public Notice | Other | No | No | — | — | — | Unaddressed | — | Public Notice Rule and Revised PN Rule |
| Sep 29, 2022 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 14, 2023 | Lead and Copper Rule |
| Sep 29, 2022 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 14, 2023 | Lead and Copper Rule |
| Apr 10, 2022 | — | Public Notice | Other | No | No | — | — | — | Resolved | Aug 25, 2022 | Public Notice Rule and Revised PN Rule |
| Apr 10, 2022 | — | Public Notice | Other | No | No | — | — | — | Resolved | Aug 25, 2022 | Public Notice Rule and Revised PN Rule |
| Apr 1, 2022 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 27, 2025 | Lead and Copper Rule |
| Apr 1, 2022 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 27, 2025 | Lead and Copper Rule |
| Apr 1, 2022 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 27, 2025 | Lead and Copper Rule |
| Mar 31, 2022 | — | Public Notice | Other | No | No | — | — | — | Unaddressed | — | Public Notice Rule and Revised PN Rule |
| Jan 2, 2022 | — | Public Notice | Other | No | No | — | — | — | Resolved | May 19, 2022 | Public Notice Rule and Revised PN Rule |
| Jan 2, 2022 | — | Public Notice | Other | No | No | — | — | — | Resolved | May 19, 2022 | Public Notice Rule and Revised PN Rule |
| Dec 30, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 29, 2022 | Lead and Copper Rule |
| Dec 30, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 29, 2022 | Lead and Copper Rule |
| Dec 12, 2021 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 24, 2022 | Lead and Copper Rule |
| Dec 12, 2021 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 24, 2022 | Lead and Copper Rule |
| Dec 12, 2021 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 24, 2022 | Lead and Copper Rule |
| Dec 12, 2021 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 24, 2022 | Lead and Copper Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 25, 2022 | Lead and Copper Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 25, 2022 | Lead and Copper Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 25, 2022 | Lead and Copper Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 25, 2022 | Lead and Copper Rule |
| Apr 6, 2017 | — | Public Notice | Other | No | No | — | — | — | Resolved | Oct 29, 2021 | Public Notice Rule and Revised PN Rule |
| Apr 6, 2017 | — | Public Notice | Other | No | No | — | — | — | Resolved | Oct 29, 2021 | Public Notice Rule and Revised PN Rule |
| Apr 6, 2017 | — | Public Notice | Other | No | No | — | — | — | Resolved | Apr 19, 2017 | Public Notice Rule and Revised PN Rule |
| Sep 29, 2016 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 21, 2016 | Lead and Copper Rule |
| Sep 29, 2016 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 21, 2016 | Lead and Copper Rule |
| Jul 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jul 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jul 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jul 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jul 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jul 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jul 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jul 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jan 1, 2015 | Mar 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2015 | Total Coliform Rule |
| Jan 1, 2015 | Mar 31, 2015 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2015 | Inorganic Chemicals |
| Jan 1, 2015 | Mar 31, 2015 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2015 | Inorganic Chemicals |
| Jan 1, 2015 | Mar 31, 2015 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2015 | Inorganic Chemicals |
| Jan 1, 2015 | Mar 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2015 | Total Coliform Rule |
| Jul 1, 2006 | Dec 31, 2006 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jul 11, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 6, 2005 | Lead and Copper Rule |
| Aug 1, 1998 | Aug 31, 1998 | Fluoride | MCL | Yes | No | 4.4 MG/L | 4.0 mg/L | — | Resolved | Aug 31, 1998 | Inorganic Chemicals |
| Aug 1, 1998 | Aug 31, 1998 | Fluoride | MCL | Yes | No | 4.4 MG/L | 4.0 mg/L | — | Resolved | Aug 31, 1998 | Inorganic Chemicals |
| — | — | — | No | No | — | — | — | — | — | — |
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.