Warsaw
IL

Is Warsaw, IL Tap Water Safe to Drink?

Warsaw tap water meets federal Safe Drinking Water Act standards but 1 of 1 ZIP code show detections above EPA health guidelines, primarily for lithium. A certified filter is recommended for households that want an additional layer of protection.

2Water systems
1ZIP codes
100%ZIPs above EPA guideline
Latest data2024-11-06

Where Does Warsaw Get Its Water?

Water in Warsaw, IL is provided by 2 public water systems: DALLAS RURAL WATER DISTRICT and RATHBUN REG WATER ASSN (FT MADISON).

How Is Warsaw Tap Water Treated?

Treated water is disinfected using calcium hypochlorite and free chlorine and chloramines and on-site generated disinfectant. Treatment includes conventional treatment (coagulation, flocculation, and filtration), groundwater disinfection, membrane filtration and slow sand filtration.

What's in Warsaw Tap Water?

The following contaminants were detected most frequently in Warsaw public water systems. 1 of 1 ZIP codes showed detections above EPA health guidelines.

ContaminantPeak detectedEPA guidelineZIPs detectedStatus
lithium 14 µg/L 10 µg/L 1 ZIP Above guideline
PFTrDA 0.007 µg/L 0 ZIPs Within guideline
PFBA 0.005 µg/L 0 ZIPs Within guideline
6:2 FTS 0.005 µg/L 0 ZIPs Within guideline
8:2 FTS 0.005 µg/L 0 ZIPs Within guideline

Health Risk Profile for Warsaw

Based on EPA monitoring data, 1 of 1 ZIP codes in Warsaw have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.

Best Broad-Spectrum Filters for This Water Profile

This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.

Under-sink RO system

8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.

See recommendations matched to your exact address: choose your ZIP code below.

Frequently Asked Questions about Warsaw Tap Water

Is Warsaw tap water safe to drink?

Warsaw tap water meets Safe Drinking Water Act requirements but 1 of 1 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.

What contaminants are in Warsaw tap water?

The most commonly detected contaminants in Warsaw water systems include: lithium, PFTrDA, PFBA. See the ZIP-level reports for exact measurements and EPA guideline comparisons.

Where does Warsaw get its drinking water?

Warsaw receives water from 2 public water systems, including DALLAS RURAL WATER DISTRICT.

Do I need a water filter in Warsaw?

If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.

How often is Warsaw tap water tested?

Public water systems in Warsaw 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 2024-11-06.

Tap water reports by ZIP in Warsaw

Water utilities serving Warsaw, IL

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.

Also covers / overlaps with