54648
Norwalk, WI
Monroe County · Sparta, WI metro area
WUWN_CC246 (WQP)

Is Norwalk 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.
Townships:
  • Ridgeville, WI
  • Sheldon, WI
  • Wells, WI
  • Adrian, WI
Neighborhood:
  • Norwalk

The short answer for Norwalk

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

The health risk for Norwalk

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

No specific notes available.

Nitrate + Nitrite concentration (mg/L) June 2023
0 mg/L 1E+04 mg/L 2E+04 mg/L
9.440 mg/L
Detected
mg/L
1E+04 mg/L
EPA limit
guideline
0.1% of limit
Comparison
vs. guideline
EPA limit: 1E+04 mg/L | Your water: 9.440 mg/L
Recommended Filters for Norwalk Tap Water

Certified filtration options for common tap-water contaminants.

Water filter recommendation for Norwalk 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
Best for renters or quick setup. No installation needed.
Get the Epic Pure XP →
Most elevated compounds

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

View all tested compounds

WUWN_CC246 · Tested: June 2023

Compound Measurement EPA Limit Comparison
Nitrate + Nitrite 9.440 mg/L 1E+04 mg/L 0.1% of limit

Water utilities serving ZIP 54648

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 54648 Tap Water

What's in ZIP 54648 tap water?

Recent public test data for ZIP 54648 is limited. Check your local utility's Consumer Confidence Report for the most current information.

Who provides tap water in ZIP 54648?

Public records identify WUWN_CC246 (WQP) as a primary water system associated with ZIP 54648. Service boundaries can vary by address, so confirm exact service with the utility.

When was ZIP 54648 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 54648?

Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact WUWN_CC246 (WQP) or visit their website for the latest official report covering ZIP 54648. The EPA also maintains a national CCR locator.

Do I still need a water filter in ZIP 54648?

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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    Nearby ZIP reports

    Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.