Is Cook tap water safe to drink?
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- Cook
The short answer for Cook
Recent public test data for Cook is limited. Check local utility reports and monitor updated EPA records for the latest water quality information.
The health risk for Cook
No specific notes available.
Certified filtration options for common tap-water contaminants.
| Compound | Measurement | EPA Limit | Comparison |
|---|---|---|---|
| Lithium Tested: September 2023 · 581858 |
11.500 µg/L | 10 µg/L | 15% above limit |
View all tested compounds
631798 · Tested: September 2023
| Compound | Measurement | EPA Limit | Comparison |
|---|---|---|---|
| Lithium | 3.170 µg/L | 10 µg/L | 32% of limit |
| Arsenic | 0.111 µg/L | 10 µg/L | 1% of limit |
| Lead | 0.111 µg/L | 15 µg/L | 0.7% of limit |
| Nitrate + Nitrite | 0.020 mg/L | 1E+04 mg/L | 0.0% of limit |
| Alkalinity, total | 281.000 mg/L | — | — |
| Aluminum | 2.060 µg/L | — | — |
| Barium | 69.000 µg/L | — | — |
| Boron | 301.000 µg/L | — | — |
| Bromide | 0.021 mg/L | — | — |
| Calcium | 68.400 mg/L | — | — |
| Chloride | 16.000 mg/L | — | — |
| Deuterium, delta | -83.990 0/00 | — | — |
| Fluoride | 0.680 mg/L | — | — |
| Iron | 1.280 mg/L | — | — |
| Magnesium | 24.300 mg/L | — | — |
| Manganese | 504.000 µg/L | — | — |
| Oxidation reduction potenti... | 77.000 mV | — | — |
| Oxygen Delta 18 | -12.110 0/00 | — | — |
| Phosphorus | 0.014 mg/L | — | — |
| Potassium | 4.050 mg/L | — | — |
| Rubidium | 0.973 µg/L | — | — |
| Sodium | 11.600 mg/L | — | — |
| Strontium | 323.000 µg/L | — | — |
| Sulfate | 10.000 mg/L | — | — |
| Tritium | 5.200 T.U. | — | — |
| Zinc | 5.470 µg/L | — | — |
581858 · Tested: September 2023
| Compound | Measurement | EPA Limit | Comparison |
|---|---|---|---|
| Lithium | 11.500 µg/L | 10 µg/L | 15% above limit |
| Arsenic | 2.530 µg/L | 10 µg/L | 25% of limit |
| Alkalinity, total | 297.000 mg/L | — | — |
| Barium | 76.600 µg/L | — | — |
| Boron | 53.700 µg/L | — | — |
| Bromide | 0.044 mg/L | — | — |
| Calcium | 76.800 mg/L | — | — |
| Chloride | 2.320 mg/L | — | — |
| Deuterium, delta | -84.010 0/00 | — | — |
| Fluoride | 0.580 mg/L | — | — |
| Iron | 0.230 mg/L | — | — |
| Magnesium | 23.900 mg/L | — | — |
| Manganese | 459.000 µg/L | — | — |
| Oxidation reduction potenti... | -141.000 mV | — | — |
| Oxygen Delta 18 | -11.790 0/00 | — | — |
| Phosphorus | 0.009 mg/L | — | — |
| Potassium | 5.440 mg/L | — | — |
| Rubidium | 0.922 µg/L | — | — |
| Sodium | 27.300 mg/L | — | — |
| Strontium | 1140.000 µg/L | — | — |
| Sulfate | 73.900 mg/L | — | — |
| Tritium | 3.900 T.U. | — | — |
| Zinc | 3.670 µg/L | — | — |
Water utilities serving ZIP 55723
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- 581858 (WQP)No recent federal sampling
- 631798 (WQP)No recent federal sampling
Frequently Asked Questions about ZIP 55723 Tap Water
What's in ZIP 55723 tap water?
Recent public test data for ZIP 55723 is limited. Check your local utility's Consumer Confidence Report for the most current information.
Who provides tap water in ZIP 55723?
Public records identify 581858 (WQP) as a primary water system associated with ZIP 55723. Service boundaries can vary by address, so confirm exact service with the utility.
When was ZIP 55723 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 55723?
Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact 581858 (WQP) or visit their website for the latest official report covering ZIP 55723. The EPA also maintains a national CCR locator.
Do I still need a water filter in ZIP 55723?
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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Nearby ZIP reports
Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.