LAFAYETTE, CITY OF
Oregon - Community Water System - PWSID: OR4100452
System Information
| PWSID | OR4100452 |
| System Name | LAFAYETTE, CITY OF |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | LAFAYETTE |
| ZIP Code | 97127 |
| Address | PO BOX 55 |
| Organization | LAFAYETTE, CITY OF |
| Phone | 503-864-2451 |
Population & Service
| Population Served | 4,423 |
| Service Connections | 1,499 |
Drinking Water Violations (270)
This water system has 270 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | - | - | Archived | Jun 30, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Aug 4, 2025 | - | |
| Oct 1, 2023 | Oct 31, 2023 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2023 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Dec 6, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 3, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2022 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 3, 2022 | - | |
| Apr 1, 2022 | Apr 30, 2022 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2022 | - | |
| Jan 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Jun 6, 2022 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2019 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Feb 1, 2018 | Feb 28, 2018 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2018 | - | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Jun 1, 2017 | Jun 30, 2017 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2017 | - | |
| Mar 1, 2017 | Mar 31, 2017 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2017 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Aug 14, 2018 | - | |
| Aug 1, 2016 | Aug 31, 2016 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2016 | - | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | - | - | - | Archived | Jul 31, 2016 | - | |
| Jun 1, 2016 | Jun 30, 2016 | MON | No | Yes | - | - | - | Archived | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Nov 21, 2015 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2015 | - | |
| Nov 21, 2015 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .088 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .088 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2015 | - |
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.