Skip to content
TapBuff
ZIP

Radisson Waterworks

What EPA’s and Wisconsin’s records show in this utility’s water: nitrate, arsenic and other regulated chemicals; lead and copper; and violations since 2016, with the certification that handles each result.

Serves
241 people
Connections
89
Water source
Groundwater
Based in
Radisson, WI
County
Sawyer
Owner
Local government
The ZIP code it serves

54867

The short answer

2 results are above the health goal. The worst: Arsenic, above the health goal. 2 health-based violations since 2016.

What handles it

What was found

Arsenic, nitrate, fluoride and chromium (total): Wisconsin’s own results, samples taken from May 5, 2020 to Aug. 29, 2023, with EPA’s 2012 to 2019 file for earlier years.

Uranium: EPA’s compliance monitoring file, samples taken from March 7, 2018 to July 31, 2019. Newer results are in the utility’s annual water quality report.

Above the health goal2

Arsenic

Comes from the source

Above the health goal

0.24ppb

Highest yearly average, 2020 to 2023

2023: not found

Averaged by year, the highest was 0.24 ppb, in 2020: below EPA’s legal limit of 10 ppb, but above its health goal of zero. Its highest single sample was 0.29 ppb. In 2023, the latest year on file, it wasn’t found in any of its three samples.

What handles it

  • NSF/ANSI 58 look for “Arsenic (Pentavalent)<=50 ppb Reduction”
  • NSF/ANSI 53 look for “Arsenic (Pentavalent)<=50 ppb Reduction”

Uranium

Comes from the source

Above the health goal

0.23ppb

Highest yearly average, 2018 to 2019

2019, one sample: 0.14 ppb

Averaged by year, the highest was 0.23 ppb, in 2018: below EPA’s legal limit of 30 ppb, but above its health goal of zero. In 2019, the latest year on file, its one sample was 0.14 ppb.

What handles it

Below EPA’s limits3

Nitrate

Comes from the source

Below EPA’s limits

0.51ppm

Highest sample; found in 3 of 3

2022 average: 0.27 ppm

The highest sample, in 2022, was 0.51 ppm, below EPA’s legal limit of 10 ppm. That is the only year on file, and its three samples averaged 0.27 ppm. Earlier, from 2012 to 2019, EPA’s file shows a highest sample of 0.4 ppm, in 2015.

What handles it

  • NSF/ANSI 58 look for “Nitrate/Nitrite Reduction”
  • NSF/ANSI 53 look for “Nitrate/Nitrite (30 ppm challenge)”

Fluoride

Forms or is added in treatment

Below EPA’s limits

0.15ppm

Highest yearly average, 2020 to 2023

2023 average: 0.12 ppm

Averaged by year, the highest was 0.15 ppm, in 2020, below EPA’s legal limit of 4.0 ppm. Its highest single sample was 0.16 ppm. In 2023, the latest year on file, its three samples averaged 0.12 ppm. Earlier, from 2012 to 2019, EPA’s file shows a highest yearly average of 0.13 ppm, in 2018.

What handles it

Chromium (total)

Comes from the source

Below EPA’s limits

0.34ppb

Highest yearly average, 2020 to 2023

2023: not found

Averaged by year, the highest was 0.34 ppb, in 2020, below EPA’s legal limit of 100 ppb. Its highest single sample was 0.68 ppb. In 2023, the latest year on file, it wasn’t found in any of its three samples.

What handles it

One compound tested and not foundBelow the reporting level in every sample. Not found is not the same as zero.
  • Lead

What handles it

A certification covers specific claims, not a whole standard. Look for these claims on the certifier’s listing, not the box. Wording varies a little: NSF writes “Lead Reduction,” WQA just “Lead.”

  • NSF/ANSI 53

    Claim: Arsenic (Pentavalent)<=50 ppb Reduction

    For: Arsenic

    Other certifiers’ wording: Arsenic (III) (50 ppb influent level)

  • NSF/ANSI 58

    Claims: Arsenic (Pentavalent)<=50 ppb Reduction, Uranium

    For: Arsenic, Uranium

    Other certifiers’ wording: Arsenic (Pentavalent)<=300 ppb Reduction; Arsenic (V) (300 ppb influent level)

At the tap, or for the whole house?

These come with the water itself, so a whole-house system certified for the same claims treats every tap and shower. A filter at the tap treats drinking water for much less. How whole-house systems compare.

Filters with those claims on a certifier’s listing

Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money

Compare five-year costs

The best reverse osmosis systems, ranked

Violations since 2016

Contaminant or ruleTypePeriodMeasuredStatus
Lead and Copper Rule RevisionsThe required inventory of lead service lines was not completed or submitted on time.EPA: LSL InventoryOct. 17, 2024—Resolved
Revised Total Coliform RuleFixes required after coliform results were not made on time.EPA: Treatment Technique, Corrective/Expedited Actions (RTCR)Nov. 19, 2018—Resolved
Health-based violations only. Resolved and archived mean the utility returned to compliance or the state closed the record. 15 monitoring or reporting violations not shown.

What this report can’t tell you

  • Everything else. Arsenic, nitrate, fluoride and chromium (total) results here are Wisconsin’s own from 2020 on, with EPA’s national file for 2012 to 2019. Uranium comes from EPA’s file alone, which ends in 2019. Radisson Waterworks’s own annual report, which it must send you every year, has newer results for those and the contaminants this page does not show.

  • Your own plumbing. Lead results are the 90th percentile across homes the utility samples. Your home’s service line, solder and fixtures decide yours. A certified lab test is the only way to know.

  • What it means for your health. This page reports what the records show and EPA’s limits and goals; it is not medical advice. If you are worried about a health effect, talk to a doctor or your local health department.

  • Anything after the latest data. SDWIS data is from 2026 Q3; UCMR 5 didn’t sample this utility; Wisconsin’s results run from May 5, 2020 to Aug. 29, 2023; EPA’s compliance samples are from March 7, 2018 to July 31, 2019.

Testing your own tap

Radisson Waterworks’s results are for the water it sends out. What your own service line, solder and fixtures add shows up only in a test of your tap, by a lab Wisconsin certifies.

The 3 labs Wisconsin certifies closest to the area Radisson Waterworks serves, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Sawyer County Health & Human Services

    Hayward, WI · about 15 miles

    Certified for bacteria

    (715) 634-4806

  • Rusk County Health and Human Services

    Ladysmith, WI · about 22 miles

    Certified for bacteria

    (715) 532-2299

  • Ashland County Health & Human Services

    Ashland, WI · about 53 miles

    Certified for bacteria

    (715) 682-7004

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 Wisconsin

Sources

PWSID WI8580533. Rebuilt from EPA data on Oct. 18, 2026.

Also in Sawyer County

All Wisconsin utilities

What to do next