MAPLETON WATER DISTRICT
Oregon - Community Water System - PWSID: OR4100507
System Information
| PWSID | OR4100507 |
| System Name | MAPLETON WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | MAPLETON |
| ZIP Code | 97453 |
| Address | PO BOX 435 |
| Organization | MAPLETON WATER DISTRICT |
| Phone | 541-268-4348 |
Population & Service
| Population Served | 600 |
| Service Connections | 267 |
Drinking Water Violations (366)
This water system has 366 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 | Oct 31, 2025 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2025 | - | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2025 | - | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 22, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jun 10, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jul 3, 2024 | - | |
| May 1, 2024 | May 31, 2024 | TT | Yes | No | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | TT | Yes | No | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | TT | Yes | No | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | TT | Yes | No | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | TT | Yes | No | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | TT | Yes | No | - | - | - | Resolved | May 31, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | TT | Yes | No | - | - | - | Resolved | Apr 30, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | TT | Yes | No | - | - | - | Resolved | Apr 30, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | TT | Yes | No | - | - | - | Resolved | Apr 30, 2024 | - | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | Yes | - | - | - | Resolved | Feb 29, 2024 | - | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | Yes | - | - | - | Resolved | Feb 29, 2024 | - | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | Yes | - | - | - | Resolved | Feb 29, 2024 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jul 6, 2024 | - | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | No | - | - | - | Resolved | Jan 31, 2024 | - | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | No | - | - | - | Resolved | Jan 31, 2024 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Apr 6, 2024 | - | |
| Dec 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Dec 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Dec 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 2, 2024 | - | |
| May 1, 2023 | May 31, 2023 | MON | No | Yes | - | - | - | Resolved | May 31, 2023 | - | |
| Feb 1, 2023 | Feb 28, 2023 | MR | No | Yes | - | - | - | Resolved | Feb 28, 2023 | - | |
| Feb 1, 2023 | Feb 28, 2023 | MR | No | Yes | - | - | - | Resolved | Feb 28, 2023 | - | |
| Feb 1, 2023 | Feb 28, 2023 | MR | No | Yes | - | - | - | Resolved | Feb 28, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Apr 9, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2023 | - |
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.