55609
Knife River, MN
Lake County
525461 (WQP)

Is Knife River tap water safe to drink?

No recent data
Last tested: Unknown
No Data
Source: EPA UCMR5 utility monitoring plus EPA Water Quality Portal well sampling (mapped to nearest ZIP). Last tested Unknown.
Township:
  • Lake No. 2 UT, MN
Neighborhood:
  • Knife River

The short answer for Knife River

Recent public test data for Knife River is limited. Check local utility reports and monitor updated EPA records for the latest water quality information.

The health risk for Knife River

No recent contaminant testing data is currently available for this water system in the source dataset.

No specific notes available.

Lithium concentration (µg/L) October 2023
0 µg/L 10 µg/L 20 µg/L
1.800 µg/L
Detected
µg/L
10 µg/L
EPA limit
guideline
18% of limit
Comparison
vs. guideline
EPA limit: 10 µg/L | Your water: 1.800 µg/L
Recommended Filters for Knife River Tap Water

Certified filtration options for common tap-water contaminants.

Water filter recommendation for Knife River tap water: Epic Pure XP Water Filter Pitcher
Pitcher filter
Epic Pure XP Water Filter Pitcher
NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.
NSF/ANSI 42, 53, 401 & P473Removes 99.99% PFASMade in USABPA-free
Most elevated compounds

No compounds above or close to EPA limits in available data.

View all tested compounds

525461 · Tested: Multiple dates

Compound Measurement EPA Limit Comparison
Lithium 1.800 µg/L 10 µg/L 18% of limit
Arsenic 1.410 µg/L 10 µg/L 14% of limit
Lead 0.300 µg/L 15 µg/L 2% of limit
Nitrate + Nitrite 0.010 mg/L 1E+04 mg/L 0.0% of limit
Alkalinity, total 50.000 mg/L
Aluminum 11.800 µg/L
Barium 0.513 µg/L
Boron 540.000 µg/L
Bromide 1.000 mg/L
Calcium 7.390 mg/L
Chloride 127.000 mg/L
Deuterium, delta -74.080 0/00
Fluoride 0.310 mg/L
Iron 1.740 mg/L
Magnesium 1.330 mg/L
Manganese 80.400 µg/L
Oxidation reduction potenti... 23.000 mV
Oxygen Delta 18 -10.900 0/00
Phosphorus 0.013 mg/L
Potassium 0.144 mg/L
Rubidium 0.274 µg/L
Sodium 178.000 mg/L
Strontium 90.400 µg/L
Sulfate 174.000 mg/L
Tritium 10.200 T.U.
Zinc 3.690 µg/L

Water utilities serving ZIP 55609

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline. Outlines appear when service-area boundary data is available for this ZIP.

Frequently Asked Questions about ZIP 55609 Tap Water

What's in ZIP 55609 tap water?

Recent public test data for ZIP 55609 is limited. Check your local utility's Consumer Confidence Report for the most current information.

Who provides tap water in ZIP 55609?

Public records identify 525461 (WQP) as a primary water system associated with ZIP 55609. Service boundaries can vary by address, so confirm exact service with the utility.

When was ZIP 55609 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 55609?

Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact 525461 (WQP) or visit their website for the latest official report covering ZIP 55609. The EPA also maintains a national CCR locator.

Do I still need a water filter in ZIP 55609?

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.

Primary source EPA UCMR5 (2023-2025) + EPA WQP (well monitoring near ZIP)
Guideline source EPA PFAS drinking water standard (PFOA/PFOS: 0.004 µg/L, effective 2024, compliance by 2031)
Last tested Unknown
Last page update 2026-05-05

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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.