Water Quality in Delavan, WI (53115)
EPA violation data for public water systems serving ZIP code 53115.
No Health-Based Violations
None of the 86 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are9 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 65% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
16,381
Population
86
Water Systems
9
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (86)
Delavan Waterworks
Groundwater 8,451 people served
0 violations
Lead tested: 10 ppb (limit: 15 ppb) ✓
Rosewood Dinner Theater
Groundwater 500 people served
0 violations
Assembly Park
Groundwater 500 people served
0 violations
Lake Lawn Resort 3 Main Well
Groundwater 405 people served
3 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb) ✓
Dancing Horses Stage Barn
Groundwater 265 people served
0 violations
Dancing Horses Game Room
Groundwater 265 people served
0 violations
Village Supper Club
Groundwater 200 people served
0 violations
Delavan View Crest
Groundwater 170 people served
0 violations
Delavan Lake Resort
Groundwater 150 people served
0 violations
Christian Life Church
Groundwater 127 people served
0 violations
Christus Evangelical Lutheran Church
Groundwater 120 people served
0 violations
Staller Estate Winery
All resolved Groundwater 110 people served
1 violation (5yr)
· All resolved
Snug Lake Harbor
Groundwater 106 people served
0 violations
Everything Home Spun
Groundwater 102 people served
0 violations
Mulligans
Groundwater 100 people served
0 violations
Creek Road Community Church
Groundwater 100 people served
0 violations
East Delavan Baptist Church
Groundwater 100 people served
0 violations
Duesterbecks Brewing Company
Groundwater 89 people served
0 violations
Sky Lodge
Groundwater 80 people served
0 violations
Delavan Lakefront
Groundwater 66 people served
0 violations
Duck Inn
Groundwater 60 people served
0 violations
Vintage On The Ponds
Groundwater 60 people served
1 violation (5yr)
Lead tested: 0 ppb (limit: 15 ppb) ✓
Shadow Lawn Pottery
Groundwater 55 people served
0 violations
Venture Inn
Groundwater 53 people served
0 violations
Delavan Lake Yacht Club
Groundwater 53 people served
0 violations
Inn Between
Groundwater 50 people served
0 violations
Delavan Lake Store
Groundwater 50 people served
0 violations
The Shore
Groundwater 50 people served
0 violations
Advanced Auto Clinic & Sweet Zen
Groundwater 43 people served
0 violations
Wagon Wheel
Groundwater 40 people served
0 violations
Jeninga Brothers
Groundwater 40 people served
0 violations
Michael Todds
Groundwater 39 people served
0 violations
First National Bank And Trust
Groundwater 35 people served
0 violations
Delavan Police Department
Groundwater 33 people served
0 violations
Delavan Town Hall
Groundwater 33 people served
0 violations
Mid Lakes Village
Groundwater 33 people served
0 violations
Twin Oaks Shelter For The Homeless
Groundwater 31 people served
0 violations
Delavan Community Park
Groundwater 30 people served
0 violations
Snug Harbor Inn Mhp
All resolved Groundwater 30 people served
3 violations (5yr)
· All resolved
Lead tested: 0.3 ppb (limit: 15 ppb) ✓
The Real Maccoys
Groundwater 30 people served
0 violations
Richmond United Methodist Church
Groundwater 29 people served
0 violations
Lakeview Motel
Groundwater 28 people served
0 violations
Elementals Health Food Store
Groundwater 27 people served
0 violations
Delavan Dairy Queen
Groundwater 27 people served
0 violations
S S Pub
Groundwater 27 people served
0 violations
Richmond House
Groundwater 27 people served
0 violations
Tanas Family Restaurant
Groundwater 27 people served
0 violations
Duffys Resort
Groundwater 27 people served
0 violations
Badger Bobs
Groundwater 27 people served
0 violations
Delavan Entertainment Center
Groundwater 27 people served
0 violations
South Shore Bar & Grill
Groundwater 27 people served
0 violations
Belfry Theater
Groundwater 26 people served
0 violations
Lakefront Mobil
Groundwater 25 people served
0 violations
Doane Pet Care
Groundwater 25 people served
0 violations
Watershed Saloon & Eatery
Groundwater 25 people served
0 violations
Long Branch Mobile Home Park
Groundwater 25 people served
0 violations
Waste Management Of Geneva Lakes
Groundwater 25 people served
0 violations
Delavan Chicago Club
Groundwater 25 people served
0 violations
Lake Lawn Resort Airport
Groundwater 25 people served
0 violations
Rustic Pub
Groundwater 25 people served
0 violations
Gasthaus
Groundwater 25 people served
0 violations
Pirates Cove
Groundwater 25 people served
0 violations
Sideways
Groundwater 25 people served
0 violations
Cedar Point Dr Association Well
Groundwater 25 people served
0 violations
Camp Delavan
Groundwater 25 people served
0 violations
Walcomet Lower Administrative Bldg
Groundwater 25 people served
0 violations
Snug Harbor Campground & Restaurant
Groundwater 25 people served
0 violations
Polish Hideaway
Groundwater 25 people served
0 violations
Twins Of Delavan
Groundwater 25 people served
0 violations
Maxi One Mini-Mart
Groundwater 25 people served
0 violations
Belvidere Park Assn
Groundwater 25 people served
0 violations
Crossroads Motel
Groundwater 25 people served
0 violations
Rossato James Private Residence
Groundwater 25 people served
0 violations
Del Aqua Apts
Groundwater 25 people served
0 violations
Dancing Horses Lolipups
Groundwater 25 people served
0 violations
Mcintyre Campground
Groundwater 25 people served
0 violations
Waterfront
Groundwater 25 people served
0 violations
Turtle Lake Tap And Grill
Groundwater 25 people served
0 violations
Down The Road
Groundwater 25 people served
0 violations
Clown Show Lounge
Groundwater 25 people served
0 violations
Churchills Lounge
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Whiskey Ranch
Groundwater 25 people served
0 violations
Four Corners Motel
Groundwater 25 people served
0 violations
Country Kids School House, Llc
Groundwater 17 people served
0 violations
Lake Lawn Resort Golf Tee 15
Groundwater 0
0 violations
Lake Lawn Resort #4 5th Tee
Groundwater 0
0 violations
Contaminants Found
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
3 violations
All resolved
ChlorineMonitoring
Used to disinfect water — generally safe at regulated levels.
2 violations
All resolved
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
2 violations
All resolved
Public NoticeMonitoring
1 violation
Has active
LEAD AND COPPER RULE REVISIONSMonitoring
1 violation
Has active
Lead & Copper Levels
Lead (Pb)
Within limit0 ppb measured
Action level: 15 ppb
Sampled: Jun 2025
How Does This Compare?
Delavan (53115) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 9, most of which are monitoring/reporting issues.
Fewer violations 65th percentile More violations
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.