County · Wyoming
Fremont County, Wyoming: drinking water records
This overview covers 12 ZIP codes and 22 community water systems in Fremont County. It also stands in for 3 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 |
|---|---|---|---|---|---|
| Riverton, City of WY5600047 | 10,330 | 870 | 8 | 2 | 4 ppb |
| Lander, City of WY5600176 | 7,615 | 120 | 0 | 1 | 3 ppb |
| First Fike Subdivision WY5600194 | 150 | 120 | 0 | 1 | 11 ppb |
| Dubois, Town of WY5600177 | 1,822 | 0 | 0 | 1 | 0 ppb |
| Gardens North Homeowners Association WY5600774 | 300 | 0 | 0 | 1 | 1 ppb |
| Pavillion, Town of WY5600039 | 230 | 0 | 0 | 4 | 0 ppb |
| Sunridge Estates WY5601225 | 220 | 0 | 0 | 2 | 1 ppb |
| B&k Mobile Home Park WY5600180 | 200 | 0 | 0 | 1 | 1 ppb |
| Jade MHC WY5600181 | 200 | 0 | 0 | 1 | 0 ppb |
| Mountain View Acres WY5600182 | 165 | 0 | 0 | 2 | 0 ppb |
| Jeffrey City Water & Sewer District WY5600106 | 40 | 0 | 0 | 1 | 0 ppb |
| Second Fike Subdivision WY5600195 | 34 | 0 | 0 | 1 | 5 ppb |
| Shoshoni, Town of WY5600053 | 515 | 0 | 0 | 0 | 4 ppb |
| Hudson, Town of WY5600183 | 460 | 0 | 0 | 0 | 0 ppb |
| Pine Bluff Court NY0600901 | 312 | 0 | 0 | 0 | 0 ppb |
| A & J Mobile Home Park WY5600179 | 100 | 0 | 0 | 0 | 5 ppb |
| Raintree Estates WY5601100 | 100 | 0 | 0 | 0 | 0 ppb |
| Redd Fox Park HOA WY5600805 | 75 | 0 | 0 | 0 | 1 ppb |
| Warm Springs Water District WY5600861 | 68 | 0 | 0 | 0 | 0 ppb |
| Farview Water and Sewer District WY5601546 | 60 | 0 | 0 | 0 | 0 ppb |
| Juniper Park Water Association WY5601275 | 42 | 0 | 0 | 0 | 5 ppb |
| Pleasant Valley Water Association WY5601749 | 35 | 0 | 0 | 0 | not reported |
ZIP reports in Fremont 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: 82512, 82516, 82642.
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.