County · Oregon
Tillamook County, Oregon: drinking water records
This overview covers 13 ZIP codes and 35 community water systems in Tillamook County. It also stands in for 2 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Tillamook Water Dept, City of OR4100893 | 5,265 | 240 | 0 | 0 | 0 ppb |
| Fairview Water District OR4100887 | 1,930 | 0 | 0 | 1 | 2.0 ppb |
| Netarts Water District OR4100556 | 1,800 | 0 | 0 | 1 | 0 ppb |
| Pacific City Joint Water - San Auth OR4100609 | 1,000 | 0 | 0 | 1 | 1.8 ppb |
| Beaver Water District OR4100199 | 600 | 0 | 0 | 2 | 0 ppb |
| Neahkahnie Water District OR4100506 | 600 | 0 | 0 | 1 | 2.0 ppb |
| Oceanside Water District OR4100585 | 500 | 0 | 0 | 3 | 0 ppb |
| Hebo Joint Water & Sanitary Auth OR4100367 | 250 | 0 | 0 | 1 | 0 ppb |
| Oceanside WD - Cape Meares OR4100882 | 170 | 0 | 0 | 2 | 3.5 ppb |
| Bay Aire Mobile Home Park OR4190921 | 82 | 0 | 0 | 1 | 5 ppb |
| Manzanita, City of OR4100505 | 3,200 | 0 | 0 | 0 | 0 ppb |
| Neskowin Reg Water Dist OR4100970 | 1,735 | 0 | 0 | 0 | 0 ppb |
| Nehalem, City of OR4100554 | 1,700 | 0 | 0 | 0 | 1.9 ppb |
| Bay City Water System OR4100079 | 1,400 | 0 | 0 | 0 | 1.2 ppb |
| Rockaway Beach, City of OR4100708 | 1,400 | 0 | 0 | 0 | 0 ppb |
| Long Prairie Water District OR4100890 | 1,052 | 0 | 0 | 0 | 0 ppb |
| Pleasant Valley Water Co OR4100884 | 936 | 0 | 0 | 0 | 0 ppb |
| Garibaldi Water System OR4100311 | 837 | 0 | 0 | 0 | 7.0 ppb |
| Kilchis Water District OR4100080 | 500 | 0 | 0 | 0 | 8.1 ppb |
| Watseco-Barview Water District OR4101173 | 450 | 0 | 0 | 0 | 0.7 ppb |
| South Prairie Water Assn OR4100892 | 440 | 0 | 0 | 0 | 0 ppb |
| Wheeler, City of OR4100952 | 400 | 0 | 0 | 0 | 9 ppb |
| Cloverdale Water District OR4100886 | 310 | 0 | 0 | 0 | 6.5 ppb |
| West Hills Water Company OR4100895 | 299 | 0 | 0 | 0 | 0 ppb |
| Juno Nonprofit Water Improvement Distr OR4100889 | 255 | 0 | 0 | 0 | 0.5 ppb |
ZIP reports in Tillamook County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 97108, 97122.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.