Is Castle Rock tap water safe to drink?
The short answer for Castle Rock
Recent public test data for Castle Rock is limited. Check local utility reports and monitor updated EPA records for the latest water quality information.
The health risk for Castle Rock
No specific notes available.
Certified filtration options for common tap-water contaminants.
No compounds above or close to EPA limits in available data.
View all tested compounds
804957 · Tested: Multiple dates
| Compound | Measurement | EPA Limit | Comparison |
|---|---|---|---|
| Lead | 2.350 µg/L | 15 µg/L | 16% of limit |
| Chromium | 2.720 µg/L | 100 µg/L | 3% of limit |
| Nitrate + Nitrite | 12.300 mg/L | 1E+04 mg/L | 0.1% of limit |
| 4,4'-Isopropylidenediphenol | 8.290 ng/L | — | — |
| Acetochlor ESA | 2230.000 ng/L | — | — |
| Acetochlor OA | 355.000 ng/L | — | — |
| Alachlor ESA | 141.000 ng/L | — | — |
| Alkalinity, total | 290.000 mg/L | — | — |
| Barium | 214.000 µg/L | — | — |
| Benzeneacetic acid, .alpha.... | 6.550 ng/L | — | — |
| Bicarbonate | 51.000 mg/L | — | — |
| Boron | 20.100 µg/L | — | — |
| Bromide | 0.038 mg/L | — | — |
| Caffeine | 8.860 ng/L | — | — |
| Calcium | 76.000 mg/L | — | — |
| Carbonate | 0.000 mg/L | — | — |
| Chloride | 10.300 mg/L | — | — |
| Cimetidine | 2.060 ng/L | — | — |
| Ciprofloxacin | 26.500 ng/L | — | — |
| Clothianidin | 38.400 ng/L | — | — |
| Cotinine | 0.569 ng/L | — | — |
| Dimethenamid ESA | 172.000 ng/L | — | — |
| Dimethenamid OA | 41.100 ng/L | — | — |
| Fluoride | 0.250 mg/L | — | — |
| Fluoxetine | 0.280 ng/L | — | — |
| Fomesafen | 146.000 ng/L | — | — |
| Iron | 49.300 µg/L | — | — |
| Kjeldahl nitrogen | 0.220 mg/L | — | — |
| Magnesium | 20.200 mg/L | — | — |
| Manganese | 56.500 µg/L | — | — |
| Metformin | 15.000 ng/L | — | — |
| Metolachlor ESA | 2120.000 ng/L | — | — |
| Metolachlor OA | 724.000 ng/L | — | — |
| Molybdenum | 4.170 µg/L | — | — |
| N,N-Diethyl-m-toluamide | 5.570 ng/L | — | — |
| Nickel | 1.000 µg/L | — | — |
| Penicillin G | 4.500 ng/L | — | — |
| Perfluorobutanoate | 13.000 ng/L | — | — |
| Perfluorooctanesulfonamide | 0.465 ng/L | — | — |
| Phosphorus | 0.330 mg/L | — | — |
| Potassium | 1.250 mg/L | — | — |
| Saflufenacil | 21.000 ng/L | — | — |
| Sodium | 21.700 mg/L | — | — |
| Strontium | 138.000 µg/L | — | — |
| Sulfate | 21.500 mg/L | — | — |
| Sulfentrazone | 933.000 ng/L | — | — |
| Sulfentrazone 3-carboxylic ... | 683.000 ng/L | — | — |
| Tributyl phosphate | 1.220 ng/L | — | — |
| Triethyl phosphate | 1.270 ng/L | — | — |
| Triphenyl phosphate | 0.441 ng/L | — | — |
| Tris(1-chloro-2-propyl) pho... | 1.880 ng/L | — | — |
| Tris(2-butoxyethyl) phosphate | 47.200 ng/L | — | — |
| Virginiamycin M1 | 2.810 ng/L | — | — |
Water utilities serving ZIP 55010
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- 804957 (WQP)No recent federal sampling
Frequently Asked Questions about ZIP 55010 Tap Water
What's in ZIP 55010 tap water?
Recent public test data for ZIP 55010 is limited. Check your local utility's Consumer Confidence Report for the most current information.
Who provides tap water in ZIP 55010?
Public records identify 804957 (WQP) as a primary water system associated with ZIP 55010. Service boundaries can vary by address, so confirm exact service with the utility.
When was ZIP 55010 tap water last tested?
The most recent test date used in this report is Unknown. EnviroClarity last refreshed this page on 2026-05-05.
Where can I find the official water quality report for ZIP 55010?
Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact 804957 (WQP) or visit their website for the latest official report covering ZIP 55010. The EPA also maintains a national CCR locator.
Do I still need a water filter in ZIP 55010?
Even when EPA-tracked compounds are within limits, some households use a certified filter for taste, odor, or to add a margin against trace contaminants below the reporting limit. Match any filter's certifications (NSF/ANSI 42, 53, 58, or P473) to the specific compounds you care about.
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Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.