Steamboat Rock - Northrup Point
Washington — Transient Non-Community — PWSID: WA53SP861
System Information
| PWSID | WA53SP861 |
| System Name | Steamboat Rock - Northrup Point |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 5, 1984 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Coulee City |
| ZIP Code | 99115 |
| Address | 34875 Park Lake Rd NE |
| Organization | Steamboat Rock - Northrup Point |
| Phone | — |
Population & Service
| Population Served | 164 |
| Service Connections | 4 |
Drinking Water Violations (9)
This water system has 9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2016 | — | |
| Jun 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 2000 | — | |
| Dec 1, 1999 | Dec 31, 1999 | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1999 | — | |
| Dec 1, 1999 | Dec 31, 1999 | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1999 | — | |
| Dec 1, 1999 | Dec 31, 1999 | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1999 | — | |
| Sep 1, 1999 | Sep 30, 1999 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1999 | — | |
| Jul 1, 1993 | Jul 31, 1993 | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 1993 | — | |
| Jun 1, 1993 | Jun 30, 1993 | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1993 | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.