ROSLYN CITY OF
Washington — Community Water System — PWSID: WA5374400
System Information
| PWSID | WA5374400 |
| System Name | ROSLYN CITY OF |
| System Type | Community Water System |
| Water Source | Surface Water |
| 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 | Roslyn |
| ZIP Code | 98941-0451 |
| Address | PO Box 451 |
| Organization | ROSLYN CITY OF |
| Phone | — |
Population & Service
| Population Served | 2,099 |
| Service Connections | 710 |
Drinking Water Violations (11)
This water system has 11 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, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 25, 2025 | Consumer Confidence Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 22, 2018 | Consumer Confidence Rule |
| Jul 1, 2017 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 8, 2018 | Consumer Confidence Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 3, 2015 | Consumer Confidence Rule |
| Oct 1, 2014 | Dec 31, 2014 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2014 | Dec 31, 2014 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2014 | Jun 30, 2014 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2014 | Jun 30, 2014 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 1992 | Feb 29, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Feb 29, 1992 | Total Coliform Rule |
| Jan 1, 1992 | Apr 1, 1999 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Apr 1, 1999 | Surface Water Treatment 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 |
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.