MOUNT DESERT WATER DIST -SEAL
Maine — Community Water System — PWSID: ME0091420
System Information
| PWSID | ME0091420 |
| System Name | MOUNT DESERT WATER DIST -SEAL |
| 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 | Nov 26, 1980 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Maine |
| City | NORTHEAST HARBOR |
| ZIP Code | 04662 |
| Address | PO BOX 209 |
| Organization | SLACK, PAUL G |
| Phone | 207-276-3733 |
Population & Service
| Population Served | 865 |
| Service Connections | 346 |
Drinking Water Violations (23)
This water system has 23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2024 | Mar 31, 2024 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Mar 31, 2024 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 | Dec 31, 2023 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2023 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 | Dec 31, 2023 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2023 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 | Dec 31, 2023 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2023 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 30, 2024 | Consumer Confidence Rule |
| Jul 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 30, 2024 | Consumer Confidence Rule |
| Jul 1, 2023 | Sep 30, 2023 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2023 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 | Sep 30, 2023 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2023 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Sep 30, 2017 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2017 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Sep 30, 2017 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Sep 30, 2017 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Sep 30, 2017 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Sep 30, 2017 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Sep 30, 2017 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2017 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 1998 | Jun 18, 1999 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 18, 1999 | Lead and Copper Rule |
| Jul 1, 1998 | Jun 18, 1999 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 18, 1999 | Lead and Copper Rule |
| Jan 1, 1998 | Jun 18, 1999 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 18, 1999 | Lead and Copper Rule |
| Jan 1, 1998 | Jun 18, 1999 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 18, 1999 | Lead and Copper Rule |
| Jul 1, 1997 | Jun 18, 1999 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 18, 1999 | Lead and Copper Rule |
| Jul 1, 1997 | Jun 18, 1999 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 18, 1999 | Lead and Copper Rule |
| Jan 1, 1997 | Apr 21, 1999 | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Apr 21, 1999 | Lead and Copper Rule |
| Jan 1, 1997 | Apr 21, 1999 | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Apr 21, 1999 | Lead and Copper Rule |
| Feb 1, 1994 | Feb 28, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Feb 28, 1994 | Total Coliform Rule |
| Feb 1, 1994 | Feb 28, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Feb 28, 1994 | Total Coliform Rule |
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.