Ocosta Mobile Home Park LLC
Washington - Community Water System - PWSID: WA5396887
System Information
| PWSID | WA5396887 |
| System Name | Ocosta Mobile Home Park LLC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Aberdeen |
| ZIP Code | 98520 |
| Address | 1753 SR 105 #23 |
| Organization | Ocosta Mobile Home Park LLC |
| Phone | - |
Population & Service
| Population Served | 26 |
| Service Connections | 10 |
Drinking Water Violations (286)
This water system has 286 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 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MON | No | Yes | - | - | - | Resolved | May 31, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MON | No | Yes | - | - | - | Resolved | May 31, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2023 | Apr 30, 2023 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.6 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.7 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.075 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jun 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jan 1, 2022 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2024 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2021 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Apr 1, 2020 | Apr 30, 2020 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2020 | - | |
| Apr 1, 2020 | Apr 30, 2020 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2020 | - | |
| Mar 1, 2020 | Mar 31, 2020 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2020 | - | |
| Mar 1, 2020 | Mar 31, 2020 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 1 mg/L | - | Archived | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2022 | - |
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.