Is Elkhart Lake, WI Tap Water Safe to Drink?
Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓
91.4/100
waterverge.com Elkhart Lake, WI — Water Quality Report
Elkhart Lake's drinking water received a grade of A (91.4 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,567 residents using groundwater.
Lead levels were measured at 0.5 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 3 violations on record, including 3 health-based violations. 1 remains unresolved.
What to know about Elkhart Lake's water
Elkhart Lake ranks #52 out of 446 cities in Wisconsin for water quality, placing it above average in the state.
Elkhart Lake 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, Elkhart Lake may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Elkhart Lake, WI water safe to drink?
Elkhart Lake's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,567 residents using groundwater (wells).
Recent water quality updates for Elkhart Lake
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Elkhart Lake's water quality assessment. Grade: A (91.4/100).
1 health-based. Contaminants: Coliform (TCR).
Federal disaster declaration (FEMA DR-3249). Hurricane event — may have impacted local water infrastructure.
1 health-based. Contaminants: Coliform (TCR).
1 health-based. Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-775). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Elkhart Lake's water supply.
Well within EPA limits.
Violation history
Elkhart Lake's water system has 3 total violations on record, including 3 health-based violations. 1 remain unresolved.
Flood & environmental risk
Sheboygan County has experienced 4 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.
Where does Elkhart Lake's water come from?
Elkhart Lake's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,567 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Elkhart Lake 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.
Elkhart Lake'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 Elkhart Lake
Industrial polluters nearby
Reported releases to surface water by facilities near Elkhart Lake, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
BREMER MANUFACTURING CO INC ELKHART LAKE, WI53020 | — | — | 7.4 mi |
HOUSEHOLD UTILITIES INC KIEL, WI53042 | — | — | 6.2 mi |
LAND O'LAKES - KIEL KIEL, WI53042 | — | — | 6.2 mi |
AMEREQUIP LLC KIEL, WI53042 | — | — | 6.4 mi |
STOELTING A VOLLRATH CO KIEL, WI53042 | — | — | 5.5 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Sheboygan County has experienced 4 federally declared disasters since 1973. 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. | 0.5 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Elkhart Lake compares by contaminant
Explore where Elkhart Lake ranks among all Wisconsin cities for specific contaminants.
Water source & infrastructure
Where Elkhart Lake's water comes from
Elkhart Lake'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 1,567 people through 1 water system.
Water systems serving Elkhart Lake
| System Name | PWSID | Population | Source |
|---|---|---|---|
| ELKHART LAKE WATERWORKS | WI4600439 | 1,567 | GW |
How Elkhart Lake compares
Full Wisconsin rankings →Elkhart Lake's score of 91.4/100 is above the average of 65/100 among major Wisconsin cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Wisconsin rankings →About Elkhart Lake, WI
Learn more about your water
Guides and resources related to Elkhart Lake's water quality findings.
Explore water quality across Sheboygan
Frequently asked questions
Is Elkhart Lake, WI tap water safe to drink?
Elkhart Lake's water quality earned a grade of A (91.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #52 out of 446 cities tested in Wisconsin.
What contaminants are in Elkhart Lake's water?
Lead was measured at 0.5 ppb (90th percentile). 3 violations are on record.
How is Elkhart Lake'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 Elkhart Lake?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Elkhart Lake's water come from?
Elkhart Lake's water is sourced from Groundwater. The city has 1 water system serving approximately 1,567 residents.
What health violations has Elkhart Lake's water system had?
Elkhart Lake has 3 health-based violations on record. The most recent violation was recorded in August 2015. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.
Is Elkhart Lake's groundwater at risk of contamination?
Elkhart Lake 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 3 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 Elkhart Lake's water compare to other cities?
Elkhart Lake ranks #52 out of 446 cities in Wisconsin (better than 88% of state cities) and #1716 out of 15744 cities nationally (89th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Elkhart Lake's small water system affect quality?
Elkhart Lake's system serves approximately 1,567 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 3 violations on record.