CHELAN CO PUD 1
Washington — Community Water System — PWSID: WA5312284
System Information
| PWSID | WA5312284 |
| System Name | CHELAN CO PUD 1 |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Wenatchee |
| ZIP Code | 98807 |
| Address | PO Box 1231 |
| Organization | CHELAN CO PUD 1 |
| Phone | — |
Population & Service
| Population Served | 15,840 |
| Service Connections | 6,427 |
Drinking Water Violations (20)
This water system has 20 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2022 | Jul 31, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Jul 31, 2022 | Revised Total Coliform Rule |
| Feb 1, 2022 | Feb 28, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Feb 28, 2022 | Revised Total Coliform Rule |
| Jul 1, 2018 | Jul 31, 2018 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jul 31, 2018 | Revised Total Coliform Rule |
| Feb 1, 2018 | Feb 28, 2018 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Feb 28, 2018 | Revised Total Coliform Rule |
| Oct 1, 2017 | Oct 31, 2017 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Oct 31, 2017 | Revised Total Coliform Rule |
| Jul 1, 2014 | Sep 30, 2014 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 20, 2012 | Consumer Confidence Rule |
| May 1, 1998 | May 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 1998 | Total Coliform Rule |
| May 1, 1998 | May 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 1998 | Total Coliform Rule |
| May 1, 1998 | May 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 1998 | Total Coliform Rule |
| Dec 1, 1991 | Dec 31, 1991 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1991 | Total Coliform Rule |
| Oct 1, 1979 | Oct 31, 1979 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | Radionuclides and Revised Rad Rule |
| Oct 1, 1979 | Oct 31, 1979 | Nitrate | MR | No | No | — | 10 mg/L | — | Archived | Oct 31, 1979 | Nitrate Rule |
| Oct 1, 1979 | Oct 31, 1979 | Arsenic | MR | No | No | — | 0.010 mg/L | — | Archived | Oct 31, 1979 | Arsenic Rule |
| Oct 1, 1979 | Oct 31, 1979 | Mercury | MR | No | No | — | 0.002 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
| Oct 1, 1979 | Oct 31, 1979 | Selenium | MR | No | No | — | 0.05 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
| Oct 1, 1979 | Oct 31, 1979 | Cadmium | MR | No | No | — | 0.005 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
| Oct 1, 1979 | Oct 31, 1979 | Fluoride | MR | No | No | — | 4.0 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
| Oct 1, 1979 | Oct 31, 1979 | Barium | MR | No | No | — | 2 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
| Oct 1, 1979 | Oct 31, 1979 | Chromium | MR | No | No | — | 0.1 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
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.