Is Nekoosa, WI tap water safe?
The short answer
None of the 3 utilities serving Nekoosa has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Wisconsin’s records.
Nekoosa Waterworks, which serves the most people here, has 1 result above the health goal. The worst: Arsenic at 0.17 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from Nekoosa Waterworks is moderately hard, typically 64 mg/L (3.8 grains per gallon). How Wisconsin’s water compares.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Nekoosa’s ZIP codes, from EPA’s estimates.
- Open report
Nekoosa Waterworks
Wisconsin · serves 2,394 people · under 100 in Nekoosa
1 result above the health goal. The worst: Arsenic at 0.17 ppb, above the health goal. Hardness: moderately hard, typically 64 mg/L (3.8 grains per gallon).
No health-based violations since 2016
- Open report
Rome Water Utility
Wisconsin · serves 2,775 people · under 100 in Nekoosa
2 results above the health goal. The worst: Lead at 1.1 ppb, above the health goal. Hardness: very hard, 182 mg/L (10.6 grains per gallon).
No health-based violations since 2016
- Open report
Cedar Junction
Wisconsin · serves 45 people · lists Nekoosa among the places it serves
1 result above the health goal. The worst: Lead at 0.2 ppb, above the health goal. Hardness: moderately hard, 98 mg/L (5.7 grains per gallon).
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Nekoosa Waterworks’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Water testing near Nekoosa
The 3 labs Wisconsin certifies closest to Nekoosa, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Wood County Water Laboratory
Wisconsin Rapids, WI · about 12 miles
Certified for bacteria, nitrate
Badger Laboratories - Stevens Point
Stevens Point, WI · about 24 miles
Certified for bacteria, organic chemicals, disinfection byproducts
UWSP Water and Environmental Analysis Lab
Stevens Point, WI · about 24 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics
Wisconsin State Laboratory of Hygiene: Well water test kits ordered by phone and shipped free; you pay to mail the sample back, and the lab bills you after testing. Tests run from bacteria alone to a homeowner package covering bacteria, nitrate, fluoride, metals, hardness, volatile organic compounds and atrazine. Bacteria is $35, nitrate $35, lead $38, and the homeowner package $450, as of July 1, 2026. Public Environmental and Water Testing Prices, Wisconsin State Laboratory of Hygiene.
All 156 certified labs for WisconsinZIP codes in Nekoosa
Which ZIP codes are in Nekoosa: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Wisconsin DNR and DATCP, certified and approved drinking water laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Nekoosa
Towns nearby with a page of their own.
What to do next
- Read Nekoosa Waterworks’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water