County · Oregon
Klamath County, Oregon: drinking water records
This overview covers 17 ZIP codes and 27 community water systems in Klamath County. It also stands in for 5 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 |
|---|---|---|---|---|---|
| Klamath Falls Water Dept OR4100443 | 40,475 | 360 | 3 | 0 | 0 ppb |
| Malin Municipal Water OR4100504 | 815 | 0 | 0 | 1 | 3.4 ppb |
| Falcon Heights OR4101075 | 559 | 0 | 0 | 1 | 4.3 ppb |
| Oregon Shores Beach Club INC OR4101327 | 352 | 0 | 0 | 1 | 0 ppb |
| Bly Water District OR4100129 | 310 | 0 | 0 | 1 | 1.8 ppb |
| Crossroads Mobile Home Park OR4100446 | 150 | 0 | 0 | 1 | 0.3 ppb |
| Cove Partnership OR4194026 | 40 | 0 | 0 | 1 | 0.8 ppb |
| Merrill Water Department OR4100518 | 907 | 0 | 0 | 0 | 0 ppb |
| Crescent Wtr Supply & Impr Dist OR4100244 | 900 | 0 | 0 | 0 | 2.2 ppb |
| Oregon Water Utilities - Mountain Lakes OR4101475 | 770 | 0 | 0 | 0 | 0 ppb |
| Chiloquin Municipal Water Dept OR4100184 | 730 | 0 | 0 | 0 | 0 ppb |
| Gilchrist Water System LLC OR4100320 | 440 | 0 | 0 | 0 | 1.2 ppb |
| Keno Water Co INC OR4100425 | 290 | 0 | 0 | 0 | 0 ppb |
| Oregon Shores Recreation Club OR4101285 | 275 | 0 | 0 | 0 | 0.3 ppb |
| Oregon Water Utilities - Southview OR4101503 | 250 | 0 | 0 | 0 | 0.7 ppb |
| Round Lake Water Utilities OR4100438 | 250 | 0 | 0 | 0 | 0.4 ppb |
| Skyline View Dist Improvement OR4100439 | 250 | 0 | 0 | 0 | 1.5 ppb |
| NPS Annie Springs OR4101080 | 200 | 0 | 0 | 0 | 5.9 ppb |
| Pine Grove Water Dist (Klamath) OR4100437 | 180 | 0 | 0 | 0 | 0.7 ppb |
| Ridgewater Water System OR4106203 | 80 | 0 | 0 | 0 | 2.3 ppb |
| Oregon Water Utilities-Pinecrest OR4101128 | 78 | 0 | 0 | 0 | 0 ppb |
| Shield Crest Water Assn OR4101500 | 65 | 0 | 0 | 0 | 0 ppb |
| Collier Lane HOA OR4101522 | 60 | 0 | 0 | 0 | 1.9 ppb |
| Sprague River Water Assn OR4100831 | 60 | 0 | 0 | 0 | 1.8 ppb |
| Sportsmans Paradise Motel/Tc OR4194151 | 52 | 0 | 0 | 0 | 0.3 ppb |
ZIP reports in Klamath 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: 97621, 97623, 97625, 97626, 97634.
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.