Is Galesville, WI Tap Water Safe to Drink?
Graded C, with 14 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
63.6/100
waterverge.com Galesville, WI — Water Quality Report
Galesville's drinking water received a grade of C (63.6 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 1,799 residents using groundwater.
Lead levels were measured at 2.8 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 57 violations on record, including 3 health-based violations. 14 remain unresolved.
What to know about Galesville's water
Galesville ranks #376 out of 446 cities in Wisconsin for water quality, placing it among the lowest-rated in the state.
Galesville 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, Galesville may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 30 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Galesville, WI water safe to drink?
Galesville's drinking water has significant quality concerns based on EPA testing data. With a grade of C (63.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,799 residents using groundwater (wells).
Recent water quality updates for Galesville
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Galesville's water quality assessment. Grade: C (63.6/100).
Contaminants: Lead and Copper Rule.
Contaminants: Public Notice.
1 health-based. Contaminants: Lead and Copper Rule, Benzene, Toluene.
Federal disaster declaration (FEMA DR-3249). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-1369). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Galesville's water supply.
Well within EPA limits.
Violation history
Galesville's water system has 57 total violations on record, including 3 health-based violations. 14 remain unresolved. 30 violations were issued in the last 5 years.
Flood & environmental risk
Trempealeau County has experienced 4 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 Black River.
Where does Galesville's water come from?
Galesville's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,799 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Black River (river).
What Galesville residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Galesville'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.
Galesville'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 Galesville
Industrial polluters nearby
Reported releases to surface water by facilities near Galesville, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
GEA FARM TECHNOLOGIES INC. GALESVILLE, WI54630 | — | — | 0.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Galesville
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- ONALASKA MUNICIPAL LANDFILL8.8 mi
Source: EPA Superfund National Priorities List
Flood & disaster history
Trempealeau County has experienced 4 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. | 2.8 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Galesville compares by contaminant
Explore where Galesville ranks among all Wisconsin cities for specific contaminants.
Water source & infrastructure
Where Galesville's water comes from
Galesville'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 1,799 people through 2 water systems.
Water bodies near Galesville
Galesville is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Galesville
| System Name | PWSID | Population | Source |
|---|---|---|---|
| GALESVILLE WATERWORKS | WI6620271 | 1,679 | GW |
| COUNTRY ROAD ESTATES | WI6620325 | 120 | GW |
How Galesville compares
Full Wisconsin rankings →Galesville's score of 63.6/100 is on par with the average of 65/100 among major Wisconsin cities. It outscores 5 of 10 nearby cities.
Nearby cities
View Wisconsin rankings →About Galesville, WI
Learn more about your water
Guides and resources related to Galesville's water quality findings.
Explore water quality across Trempealeau
Frequently asked questions
Is Galesville, WI tap water safe to drink?
Galesville's water quality earned a grade of C (63.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #376 out of 446 cities tested in Wisconsin.
What contaminants are in Galesville's water?
Lead was measured at 2.8 ppb (90th percentile). 57 violations are on record.
How is Galesville'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 Galesville?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Galesville's water come from?
Galesville's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,799 residents.
What health violations has Galesville's water system had?
Galesville has 3 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.
Is Galesville's groundwater at risk of contamination?
Galesville 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 57 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 Galesville's water compare to other cities?
Galesville ranks #376 out of 446 cities in Wisconsin (better than 16% of state cities) and #11737 out of 15744 cities nationally (26th percentile). The grade of C reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.