We read 21 results from Wheat Ridge Water District’s 2024 water quality report. No results over a legal limit; 2 above a health goal or guideline.
Serves about 20,000 people · Water system ID CO0130842 · Read the district’s 2024 report (opens in a new tab)
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Results from the 2024 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 |
|---|---|---|---|---|
| Gross alpha (radioactivity)single sample · Foothills Treatment Plant (Denver Water) · 2024 report, page 10 | 1.8 pCi/L | 0 pCi/L | 15 pCi/L | Above the health goalThe health goal is zero |
| Radium (combined 226 + 228)average · range ND to 1.5 · sampled 2021 · Foothills Treatment Plant (Denver Water) · 2024 report, page 10 | 0.75 pCi/L | 0 pCi/L | 5 pCi/L | Above the health goalThe health goal is zero |
| Aluminumaverage · range 0.02 to 0.08 · printed as 39.5 ppb · Distribution system (Denver Water) · 2024 report, page 14 | 0.04 ppm | — | 0.2 ppm guideline | Within the guideline |
| Bariumaverage · range 0.03 to 0.04 · printed as 34.0 ppb · Foothills Treatment Plant (Denver Water) · 2024 report, page 10 | 0.03 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chlorideaverage · printed as 21,400 ppb · Distribution system (Denver Water) · 2024 report, page 14 | 21.4 ppm | — | 250 ppm guideline | Within the guideline |
| Copper90th percentile of 402 homes tested, 0 over the action level · printed as 60 ppb · Customer taps (Denver Water), highest of 2 sources · 2024 report, page 13 | 0.06 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range 7.7 to 37.2 · Distribution system (Denver Water) · 2024 report, page 14 | 22.9 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 16.4 to 64.7 · Distribution system (Denver Water) · 2024 report, page 14 | 37.9 ppb | None set | 80 ppb | Below the legal limit |
| Fluorideaverage · range 0.53 to 0.93 · printed as 675 ppb · Foothills Treatment Plant (Denver Water) · 2024 report, page 10 | 0.68 ppm | 1 ppm | 4 ppm | Below the health goal |
| Manganeseaverage · range ND to 0.01 · printed as 2.5 ppb · Distribution system (Denver Water) · 2024 report, page 14 | 0.0025 ppm | — | 0.05 ppm guideline | Within the guideline |
| Nitrate (as N)average · range ND to 0.14 · printed as 107 ppb · Foothills Treatment Plant (Denver Water) · 2024 report, page 10 | 0.11 ppm | 10 ppm | 10 ppm | Below the health goal |
| Sulfateaverage · printed as 49,200 ppb · Distribution system (Denver Water) · 2024 report, page 14 | 49.2 ppm | — | 250 ppm guideline | Within the guideline |
| Uraniumaverage · range ND to 0.5 · Foothills Treatment Plant (Denver Water) · 2024 report, page 10 | 0.1 ppb | 0.6 ppb | 30 ppb | Below the health goal |
| Zincaverage · range ND to 0.01 · printed as 2.5 ppb · Distribution system (Denver Water) · 2024 report, page 14 | 0.0025 ppm | — | 5 ppm guideline | Within the guideline |
| Alkalinityaverage · range 44 to 81 · printed as 62,200 ppb · Distribution system (Denver Water) · 2024 report, page 14 | 62.2 ppm | None set | None | No health limit |
| Boronaverage · range ND to 0.02 · printed as 12.1 ppb · Distribution system (Denver Water) · 2024 report, page 14 | 0.01 ppm | None set | None | No health limit |
| Calciumaverage · range 15.4 to 33.1 · printed as 25,300 ppb · Distribution system (Denver Water) · 2024 report, page 14 | 25.3 ppm | None set | None | No health limit |
| Conductivityaverage · range 140 to 410 · Distribution system (Denver Water) · 2024 report, page 14 | 296 µS/cm | None set | None | No health limit |
| Hardnessaverage · range 2.81 to 6.78 · Distribution system (Denver Water) · 2024 report, page 14 | 5.21 gpg (89 ppm) | — | — | Moderately hard |
| Magnesiumaverage · range 2.4 to 8.2 · printed as 6,400 ppb · Distribution system (Denver Water) · 2024 report, page 14 | 6.4 ppm | None set | None | No health limit |
| Nickelaverage · range 1 to 1.2 · Foothills Treatment Plant (Denver Water) · 2024 report, page 10 | 1.1 ppb | 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. 2 numbers we weren’t sure about are held back until a person checks.
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.
Radium and uranium
Found: Gross alpha (radioactivity), Radium (combined 226 + 228)
What removes it: Reverse osmosis.
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