CASCADE LOCKS, CITY OF
Oregon - Community Water System - PWSID: OR4100172
System Information
| PWSID | OR4100172 |
| System Name | CASCADE LOCKS, CITY OF |
| System Type | Community Water System |
| Water Source | Ground 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 | CASCADE LOCKS |
| ZIP Code | 97014 |
| Address | PO BOX 308 |
| Organization | CASCADE LOCKS, CITY OF |
| Phone | 541-374-8484 |
Population & Service
| Population Served | 1,398 |
| Service Connections | 599 |
Drinking Water Violations (74)
This water system has 74 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 | - | Other | No | No | - | - | - | Resolved | Oct 15, 2025 | - | |
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2025 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 15, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2025 | - | |
| May 1, 2023 | May 31, 2023 | MON | No | Yes | - | - | - | Resolved | May 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Nov 1, 2022 | Nov 30, 2022 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 30 ug/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 4, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Sep 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 30 ug/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2022 | - | |
| Jan 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Apr 6, 2022 | - | |
| Jan 1, 2022 | Jun 30, 2022 | TT | Yes | No | - | TT | - | Resolved | Jun 30, 2022 | - | |
| Jan 1, 2022 | Jun 30, 2022 | TT | Yes | No | - | TT | - | Resolved | Jun 30, 2022 | - | |
| Jan 1, 2022 | Jun 30, 2022 | TT | Yes | No | - | TT | - | Resolved | Jun 30, 2022 | - | |
| Jan 1, 2022 | Jun 30, 2022 | TT | Yes | No | - | TT | - | Resolved | Jun 30, 2022 | - | |
| Jul 1, 2021 | Dec 31, 2021 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2021 | - | |
| Jul 1, 2021 | Dec 31, 2021 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2021 | - | |
| Jul 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 10, 2022 | - | |
| Jul 1, 2021 | Dec 31, 2021 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2021 | - | |
| Jul 1, 2021 | Dec 31, 2021 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 21, 2020 | - | |
| Jul 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jan 21, 2020 | - | |
| Jul 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jan 21, 2020 | - | |
| Dec 1, 2018 | Dec 31, 2018 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Jul 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Sep 14, 2018 | - | |
| May 1, 2018 | May 31, 2018 | MON | No | Yes | - | - | - | Resolved | May 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Nov 1, 2017 | Nov 30, 2017 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2017 | - | |
| Jul 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Aug 24, 2017 | - | |
| Dec 1, 2016 | Dec 31, 2016 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Oct 1, 2016 | Sep 30, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Oct 1, 2016 | Sep 30, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Nov 1, 2014 | Nov 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2014 | - | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2014 | - | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Jan 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Jan 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 30 ug/L | - | Resolved | Sep 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 30 ug/L | - | Resolved | Jun 30, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2013 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 30 ug/L | - | Resolved | Sep 30, 2012 | - |
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.