Waunakee Tap Water Quality Report
Waunakee's water has 1 contaminant above EPA MCLGs. Consider using a certified water filter for additional protection.
2 other systems serving parts of Waunakee report results above guidelines — check which system bills you. DONS MOBILE MANOR (2 above guidelines), WESTPORT WATER UTILITY (2 above guidelines)
Water system
WAUNAKEE WATERWORKS
2 other systems also serve parts of Waunakee. 1 other system is listed for Waunakee. See their figures
People Served
13,755
Health-based violations since 2020
0
WAUNAKEE WATERWORKS. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Sep 2025 · WAUNAKEE WATERWORKS
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Waunakee Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Waunakee's water has 1 contaminant above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
WAUNAKEE WATERWORKS, Waunakee's water system, serves 13,755 people. 2 other systems also serve parts of Waunakee. 1 other system is listed for Waunakee. Each system's results are listed under its own name, never added to WAUNAKEE WATERWORKS's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for WAUNAKEE WATERWORKS is from Sep 2025.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Wisconsin
Waunakee Water Service Areas
What these numbers actually mean for Waunakee, WI
We read Waunakee, WI’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 1 contaminant above EPA MCLGs and 10 contaminants with an EPA health goal detected in some samples (no level on file)
- 145 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for Waunakee
Based on Waunakee's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
Solventum Purification Inc.
3MRO401
NSF Certified:
Daily Production
11.48 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 11.48 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 15 contaminants:
+10 more
Copper, Cryptosporidium, Fluoride, Lead, Radium 226, Radium 228, Radium, combined (-226 & -228), Selenium, Total Dissolved Solids, Turbidity
Solventum Purification Inc.
3MRO301
NSF Certified:
Daily Production
11.48 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 11.48 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 15 contaminants:
+10 more
Copper, Cryptosporidium, Fluoride, Lead, Radium 226, Radium 228, Radium, combined (-226 & -228), Selenium, Total Dissolved Solids, Turbidity
AquaTru
Classic
NSF Certified:
Flow Rate
0.04 gpm
Daily Production
600 gpd
Highlights:
- Best overall contaminant reduction score
- Most performance certifications
- Lifetime warranty
- NSF-42, NSF-53, NSF-58, NSF-401 certified
Removes 23 contaminants:
+18 more
Molybdenum, Barium, Chlorine, Arsenic, 83+ contaminants, Calcium, Chloride, Copper, Magnesium, Nitrate, Phosphorus, Sodium, Sulfate, Total Dissolved Solids, Zinc, Total THMs, Chloroform, Nitrate (as N)
AquaTru
Carafe
NSF Certified:
Flow Rate
0.3 gpm
Daily Production
4 gpd
Highlights:
- Verified PFAS reduction
- Glass collection vessel
- Plug-and-play installation
- NSF-53, NSF-42, NSF-58, NSF-401, NSF-372 certified
Removes 17 contaminants:
+12 more
Arsenic, 83+ contaminants, Copper, Total THMs, Chloroform, Chloride, Sulfate, Nitrate (as N), Molybdenum, Barium, Strontium, Uranium
Test Your Water Quality
Professional laboratory testing provides accurate, detailed analysis of your drinking water.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
What Waunakee's water readings can explain
Utility-reported data for Waunakee includes sulfate and a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Waunakee, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Waunakee? Public-water results do not apply to private wells. See Dane County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Waunakee
Waunakee's tap water measures 16.5 grains per gallon (282.0 mg/L) — very hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 16.5 gpg water in Waunakee — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For Wisconsin as a whole, read water softener cost in Wisconsin — priced against the plumber wage published for the state.
Frequently Asked Questions About Waunakee Tap Water
Waunakee's water has 1 contaminant above EPA MCLGs. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach WAUNAKEE WATERWORKS. For a problem with your water now (discolored water, no water, low pressure, a leak), contact WAUNAKEE WATERWORKS directly.
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