Is Eagle, WI Tap Water Safe to Drink?
Graded B+, with 25 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
80.3/100
waterverge.com Eagle, WI — Water Quality Report
Eagle's drinking water received a grade of B+ (80.3 out of 100), indicating good water quality. The city's 2 water systems serve approximately 2,100 residents using groundwater.
Lead levels were measured at 0.9 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 78 violations on record, including 27 health-based violations. 25 remain unresolved.
What to know about Eagle's water
Eagle ranks #257 out of 446 cities in Wisconsin for water quality, placing it below average in the state.
Eagle relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Eagle may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Eagle, WI water safe to drink?
Eagle's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (80.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,100 residents using groundwater (wells).
Recent water quality updates for Eagle
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Eagle's water quality assessment. Grade: B+ (80.3/100).
Federal disaster declaration (FEMA DR-4892). Flood event — may have impacted local water infrastructure.
Contaminants: Lead and Copper Rule, Public Notice.
Contaminants: Public Notice.
Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-3249). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Eagle's water supply.
Well within EPA limits.
Violation history
Eagle's water system has 78 total violations on record, including 27 health-based violations. 25 remain unresolved.
Flood & environmental risk
Waukesha County has experienced 7 federally declared disasters since 1969. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Mukwonago River.
Where does Eagle's water come from?
Eagle's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 2,100 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Mukwonago River (river).
What Eagle residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Eagle's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Eagle's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Eagle
Industrial polluters nearby
Reported releases to surface water by facilities near Eagle, ranked by pounds discharged annually.
Total reported releases to surface water: 43 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
WHITEWATER GENERATING STATION WHITEWATER, WI53190 | Ammonia | 43 | 6.2 mi |
GENERAC POWER SYSTEMS INC-EAGLE EAGLE, WI53119 | — | — | 0.7 mi |
PLYMOUTH TUBE TRENT PLANT EAST TROY, WI53120 | — | — | 7.4 mi |
WISCONSIN PRECISION CASTING CORP EAST TROY, WI53120 | — | — | 8.3 mi |
EPIC RESINS PALMYRA, WI53156 | — | — | 7.1 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Waukesha County has experienced 7 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.9 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Eagle compares by contaminant
Explore where Eagle ranks among all Wisconsin cities for specific contaminants.
Water source & infrastructure
Where Eagle's water comes from
Eagle's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 2,100 people through 2 water systems.
Water bodies near Eagle
Eagle is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Eagle
| System Name | PWSID | Population | Source |
|---|---|---|---|
| EAGLE WATERWORKS | WI2680198 | 1,950 | GW |
| TROY TERRACE MHP | WI2650124 | 150 | GW |
How Eagle compares
Full Wisconsin rankings →Eagle's score of 80.3/100 is above the average of 65/100 among major Wisconsin cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Wisconsin rankings →About Eagle, WI
Wikipedia →Eagle is a village in Waukesha County, Wisconsin, United States. At the 2020 census, the population was 2,071. The village is located within the Town of Eagle.
Learn more about your water
Guides and resources related to Eagle's water quality findings.
Explore water quality across Waukesha
Frequently asked questions
Is Eagle, WI tap water safe to drink?
Eagle's water quality earned a grade of B+ (80.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #257 out of 446 cities tested in Wisconsin.
What contaminants are in Eagle's water?
Lead was measured at 0.9 ppb (90th percentile). 78 violations are on record.
How is Eagle's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Eagle?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Eagle's water come from?
Eagle's water is sourced from Groundwater. The city has 2 water systems serving approximately 2,100 residents.
What health violations has Eagle's water system had?
Eagle has 27 health-based violations on record. The most recent violation was recorded in January 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 25 violations remain unresolved.
Is Eagle's groundwater at risk of contamination?
Eagle uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 78 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Eagle's water compare to other cities?
Eagle ranks #257 out of 446 cities in Wisconsin (better than 42% of state cities) and #7924 out of 15744 cities nationally (50th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.