HIGHLAND WATER DISTRICT
Washington — Community Water System — PWSID: WA5332850
System Information
| PWSID | WA5332850 |
| System Name | HIGHLAND WATER DISTRICT |
| 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 | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Monroe |
| ZIP Code | 98272 |
| Address | PO Box 158 |
| Organization | HIGHLAND WATER DISTRICT |
| Phone | — |
Population & Service
| Population Served | 3,121 |
| Service Connections | 1,276 |
Drinking Water Violations (5)
This water system has 5 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 | Sep 30, 2025 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Archived | Sep 30, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 | Sep 30, 2025 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Archived | Sep 30, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 29, 2023 | Consumer Confidence Rule |
| Jul 1, 2016 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 20, 2016 | Consumer Confidence Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 23, 2011 | Consumer Confidence 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.