Is Dickeyville, WI Tap Water Safe to Drink?
Graded B+, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓
81.9/100
waterverge.com Dickeyville, WI — Water Quality Report
Dickeyville's drinking water received a grade of B+ (81.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,069 residents using groundwater.
Lead levels were measured at 0.0 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 24 violations on record, including 0 health-based violations. 1 remains unresolved.
What to know about Dickeyville's water
Dickeyville ranks #229 out of 446 cities in Wisconsin for water quality, placing it below average in the state.
Dickeyville 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, Dickeyville may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 21 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Dickeyville, WI water safe to drink?
Dickeyville's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (81.9/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,069 residents using groundwater (wells).
Recent water quality updates for Dickeyville
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Dickeyville's water quality assessment. Grade: B+ (81.9/100).
Contaminants: Tetrachloroethylene, CHLOROBENZENE, 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.
Contaminants: Coliform (TCR).
Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Dickeyville's water supply.
Well within EPA limits.
Violation history
Dickeyville's water system has 24 total violations on record, including 0 health-based violations. 1 remain unresolved. 21 violations were issued in the last 5 years.
Flood & environmental risk
Grant County has experienced 5 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 Platte River, Sinsinawa River.
Where does Dickeyville's water come from?
Dickeyville's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,069 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Platte River (river), Sinsinawa River (river).
What Dickeyville residents can do
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.
Dickeyville'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 Dickeyville
Industrial polluters nearby
Reported releases to surface water by facilities near Dickeyville, ranked by pounds discharged annually.
Total reported releases to surface water: 51 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
JOHN DEERE DUBUQUE WORKS DUBUQUE, IA52001 | Zinc compounds | 41 | 6.7 mi |
MORRISON BROTHERS CO DUBUQUE, IA52001 | Copper | 10 | 9.2 mi |
SAFE FOOD CHEMICAL INNOVATIONS-KIELER KIELER, WI53812 | — | — | 2.6 mi |
DUBUQUE STAMPING & MANUFACTURING INC DUBUQUE, IA52001 | — | — | 8.1 mi |
PRAIRIE FARMS DUBUQUE, IA52001 | — | — | 8.1 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Dickeyville
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.
- PEOPLES NATURAL GAS CO8.9 mi
Source: EPA Superfund National Priorities List
Flood & disaster history
Grant County has experienced 5 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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Dickeyville compares by contaminant
Explore where Dickeyville ranks among all Wisconsin cities for specific contaminants.
Water source & infrastructure
Where Dickeyville's water comes from
Dickeyville'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 1,069 people through 1 water system.
Water bodies near Dickeyville
Dickeyville is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Dickeyville
| System Name | PWSID | Population | Source |
|---|---|---|---|
| DICKEYVILLE WATERWORKS | WI1220094 | 1,069 | GW |
How Dickeyville compares
Full Wisconsin rankings →Dickeyville's score of 81.9/100 is above the average of 65/100 among major Wisconsin cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Wisconsin rankings →About Dickeyville, WI
Learn more about your water
Guides and resources related to Dickeyville's water quality findings.
Explore water quality across Grant
Frequently asked questions
Is Dickeyville, WI tap water safe to drink?
Dickeyville's water quality earned a grade of B+ (81.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #229 out of 446 cities tested in Wisconsin.
What contaminants are in Dickeyville's water?
Lead was measured at 0.0 ppb (90th percentile). 24 violations are on record.
How is Dickeyville'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 Dickeyville?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Dickeyville's water come from?
Dickeyville's water is sourced from Groundwater. The city has 1 water system serving approximately 1,069 residents.
Is Dickeyville's groundwater at risk of contamination?
Dickeyville 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 24 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 Dickeyville's water compare to other cities?
Dickeyville ranks #229 out of 446 cities in Wisconsin (better than 49% of state cities) and #7266 out of 15744 cities nationally (54th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Dickeyville's small water system affect quality?
Dickeyville's system serves approximately 1,069 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 24 violations on record.