Is Lake Wisconsin, WI Tap Water Safe to Drink?
Lake Wisconsin, WI tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Contaminants including lithium have been detected at or below guideline thresholds.
Where Does Lake Wisconsin Get Its Water?
Water in Lake Wisconsin, WI is provided by 1 public water system: PRAIRIE DU SAC WATERWORKS.
How Is Lake Wisconsin Tap Water Treated?
Treated water is disinfected using free chlorine.
What's in Lake Wisconsin Tap Water?
The following contaminants were detected most frequently in Lake Wisconsin public water systems. All detected levels fall at or below EPA health guidelines in this dataset.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 9 µg/L | — | 0 ZIPs | Within guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
| 6:2 FTS | 0.005 µg/L | 0.005 µg/L | 1 ZIP | Within guideline |
| PFBA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| 8:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Lake Wisconsin
Current EPA monitoring data for Lake Wisconsin shows contaminant levels within guideline thresholds across all ZIP codes in this dataset. As with all public water systems, sensitive populations may choose to use a certified filter for additional peace of mind.
Best Filters for PFAS Water Profile
PFAS compounds are detected in this water supply. A reverse osmosis (RO) system or an activated-carbon filter specifically certified under NSF/ANSI P473 is required for reliable PFAS reduction. Standard pitcher and faucet filters without P473 certification do not remove PFAS.
8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.
NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.
See recommendations matched to your exact address: choose your ZIP code below.
Frequently Asked Questions about Lake Wisconsin Tap Water
Is Lake Wisconsin tap water safe to drink?
Lake Wisconsin tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Sensitive populations may still choose to use a certified filter as a precaution.
What contaminants are in Lake Wisconsin tap water?
The most commonly detected contaminants in Lake Wisconsin water systems include: lithium, PFTrDA, 6:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Lake Wisconsin get its drinking water?
Lake Wisconsin receives water from one public water system, including PRAIRIE DU SAC WATERWORKS.
Do I need a water filter in Lake Wisconsin?
Current data does not show guideline exceedances in Lake Wisconsin. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.
How often is Lake Wisconsin tap water tested?
Public water systems in Lake Wisconsin are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2024-07-24.
Tap water reports by ZIP in Lake Wisconsin
- 53578 - Prairie du Sac, Lake Wisconsin tap water report Some concern
- 53955 - Poynette, Lake Wisconsin tap water report No recent data
Water utilities serving Lake Wisconsin, WI
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- PRAIRIE DU SAC WATERWORKSSome concern
- WUWN_IY469 (WQP)No recent federal sampling
Also covers / overlaps with
- Arlington, WI · Township
- Dekorra, WI · CDP
- Honey Creek, WI · Township
- Leeds, WI · Township
- Lowville, WI · Township
- Poynette, WI
- Prairie du Sac, WI
- Sumpter, WI · Township
- West Point, WI · Township