We read 10 results from Sjcu-Northwest Utilities Wtp’s 2025 water quality report. No results over a legal limit; 3 above a health goal or guideline.
Serves about 48,040 people · Water system ID FL2554471 · 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 |
|---|---|---|---|---|
| Gross alpha (radioactivity)single sample · listed as a violation in the report · Wells · 2025 report, page 2 | 2 pCi/L | 0 pCi/L | 15 pCi/L | Above the health goalThe health goal is zero |
| Radium (combined 226 + 228)single sample · listed as a violation in the report · Wells · 2025 report, page 2 | 0.6 pCi/L | 0 pCi/L | 5 pCi/L | Above the health goalThe health goal is zero |
| Total dissolved solidshighest measured · range 520 to 566 · listed as a violation in the report · Wells · 2025 report, page 2 | 566 ppm | — | 500 ppm guideline | Above the guideline1.1x the guideline (taste, odor or stains; not a health limit) |
| Bariumsingle sample · listed as a violation in the report · Wells · 2025 report, page 2 | 0.01 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chlorinehighest running annual average · range 0.6 to 3.4 · listed as a violation in the report · Distribution system · 2025 report, page 3 | 3.4 ppm | None set | 4 ppm | Below the legal limit |
| Copper90th percentile of 93 homes tested, 0 over the action level · listed as a violation in the report · Customer taps · 2025 report, page 3 | 0.02 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range 9.23 to 16.4 · listed as a violation in the report · Distribution system · 2025 report, page 3 | 16.4 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 23.4 to 56 · listed as a violation in the report · Distribution system · 2025 report, page 3 | 56 ppb | None set | 80 ppb | Below the legal limit |
| Fluoridesingle sample · listed as a violation in the report · Wells · 2025 report, page 2 | 0.45 ppm | 1 ppm | 4 ppm | Below the health goal |
| Lead90th percentile of 93 homes tested, 0 over the action level · listed as a violation in the report · Customer taps · 2025 report, page 3 | Not detected | 0.2 ppb | 15 ppb (action level) | Not detected |
Utility results describe the whole system, measured where water enters the pipes, not your tap. Your home’s plumbing can add lead or copper. 1 number we weren’t sure about is 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.
Salty taste / high TDS
Found: Total dissolved solids
What removes it: Reverse osmosis.
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