PORTLAND WATER DISTRICT-GREATER
Maine — Community Water System — PWSID: ME0091300
System Information
| PWSID | ME0091300 |
| System Name | PORTLAND WATER DISTRICT-GREATER |
| 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 | Nov 17, 2025 |
Location & Contact
| State | Maine |
| City | PORTLAND |
| ZIP Code | 04102 |
| Address | 225 DOUGLASS STREET |
| Organization | FIRMIN, SCOTT |
| Phone | 207-523-5260 |
Population & Service
| Population Served | 135,068 |
| Service Connections | 54,027 |
Drinking Water Violations (18)
This water system has 18 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, 2022 | Dec 31, 2022 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Dec 31, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2022 | Dec 31, 2022 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Dec 31, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2022 | Dec 31, 2022 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2022 | Dec 31, 2022 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 | Jun 30, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 | Jun 30, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 | Jun 30, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 | Jun 30, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 | Jun 30, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 | Jun 30, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 | Jun 30, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 | Jun 30, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 | Jun 30, 2021 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Jun 30, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 | Jun 30, 2021 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 | Jun 30, 2021 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 | Jun 30, 2021 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Jun 30, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.