We read 16 results from Pinedale County Water District’s 2025 water quality report. No results over a legal limit; 3 above a health goal or guideline.
Serves about 16,736 people · Water system ID CA1010026 · Read the district’s 2025 report (opens in a new tab)
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Results from the 2025 report
Each number is copied from the district’s report and links to the page it’s printed on. Where the report lists several plants, wells or purchased water, the highest is shown.
| Contaminant | Result | Health goal | Legal limit | What it means |
|---|---|---|---|---|
| Arsenicaverage · range 2.1 to 3.4 · sampled 2024 · 2025 report, page 3 | 2.5 ppb | 0.004 ppb | 10 ppb | Above the health goal625x the health goal |
| Chromium-6average · range 0.17 to 2 · sampled 2024 · 2025 report, page 4 | 1.4 ppb | 0.02 ppb | 10 ppb | Above the health goal70x the health goal |
| Lead90th percentile of 30 homes tested, 0 over the action level · printed as .0029 ppm · sampled 2024 · 2025 report, page 3 | 2.9 ppb | 0.2 ppb | 15 ppb (action level) | Above the health goal14x the health goal |
| Bariumaverage · range 0.0025 to 0.04 · printed as 16.6 ppb · sampled 2024 · 2025 report, page 3 | 0.02 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chlorideaverage · range 5 to 9.1 · sampled 2024 · 2025 report, page 4 | 6.5 ppm | — | 250 ppm guideline | Within the guideline |
| Chromium (total)as reported · range 5 to 9.1 · sampled 2024 · 2025 report, page 3 | 3.2 ppb | None set | 100 ppb | Below the legal limit |
| Copper90th percentile of 30 homes tested, 0 over the action level · sampled 2024 · 2025 report, page 3 | 0.07 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (TTHM)average · range ND to 2.9 · 2025 report, page 3 | 1.5 ppb | None set | 80 ppb | Below the legal limit |
| Fluorideaverage · range 0.11 to 0.12 · sampled 2024 · 2025 report, page 3 | 0.11 ppm | 1 ppm | 2 ppm | Below the health goal |
| Sulfateaverage · range 2.7 to 10 · sampled 2024 · 2025 report, page 4 | 5.9 ppm | — | 250 ppm guideline | Within the guideline |
| Total dissolved solidsaverage · range 140 to 230 · sampled 2024 · 2025 report, page 4 | 204 ppm | — | 500 ppm guideline | Within the guideline |
| Zincaverage · range 0.0082 to 0.01 · printed as 10 ppb · sampled 2024 · 2025 report, page 4 | 0.01 ppm | — | 5 ppm guideline | Within the guideline |
| Conductivityaverage · range 130 to 250 · sampled 2024 · 2025 report, page 4 | 226 µS/cm | None set | None | No health limit |
| Hardnessaverage · range 2.69 to 5.26 · sampled 2024 · 2025 report, page 3 | 4.62 gpg (79 ppm) | — | — | Moderately hard |
| PFBS (a PFAS)average · range 3 to 5.4 · 2025 report, page 4 | 4.2 ppt | None set | None | No health limit |
| Sodiumaverage · range 7.5 to 15 · sampled 2024 · 2025 report, page 3 | 12.6 ppm | None set | None | No health limit |
Utility results describe the whole system, measured where water enters the pipes, not your tap. Your home’s plumbing can add lead or copper.
EPA testing for PFAS and lithium
EPA’s own nationwide testing (UCMR 5) found these in Pinedale County Water District’s water between Mar 2024 and Sep 2024. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.
- PFOA12 pptFound in 2 of 10 samples · highest resultAbove the federal limit that takes effect in 2029 (4 ppt)
- PFOS8.8 pptFound in 3 of 10 samples · highest resultAbove the federal limit that takes effect in 2029 (4 ppt)
- PFHxS4 pptFound in 2 of 10 samples · highest resultNo federal limit in force for this one
- PFBS5.6 pptFound in 2 of 10 samples · highest resultNo federal limit in force for this one
Source: EPA UCMR 5 occurrence data. The highest single result is shown; one high sample doesn’t mean every glass is that high.
What you can do
Nothing here is an emergency notice: if the district has a violation, it must tell customers directly. If you’d like to lower these at your tap, these are the treatments that remove them, and the catalog shows the models certified for each. Ranking is by certified removal; commissions never change the order.
Lead
Found: Lead
What removes it: Certified carbon block or RO.
PFAS ("forever chemicals")
Found: PFOA (EPA testing), PFOS (EPA testing)
What removes it: Reverse osmosis.
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