Water Quality in Delaware, OH (43040)
EPA violation data for public water systems serving ZIP code 43040.
Active Health Violations
1 health-based violation found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 72% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
38,990
Population
60
Water Systems
13
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (60)
Del-Co Water Company, Inc.
Delaware City Pws
Del-Co Water/Olentangy Plant
Del-Co Water Co/Alum Cr.Plant
Marysville City Pws
Hdma - Benton Rd Pws
Honda Dma East Liberty Wtp
St John Luthern Church
New California Water Subdistrict
St. John'S Lutheran Church
Triple Jb Campground
The Pit Stop Pws
Wolford Water Hauling
Hillcrest Mhp Pws
Ohio Trans Research Center
Saint Johns Lutheran Church Pws
St. Johns Lutheran School
Marysville Drive-In
Raymond Elementary School
Grace Bible Church
Rolling Meadows Golf
Camp Christian
Jerk-N-Depot
All resolvedUnion Manor Nursing Center
Faith Baptist Temple
The Ridge, Golf & Gardens, Llc Pws
B And E Pizza Pws
Super 8 / 42 Grille
New Horizons Baptist Church
Marysville Golf Course
Apost Untd Pentacostal Church
Prin,Watkins Elem Sch Well #2
Calvary Baptist Church
All resolvedDarby Creek Golf Course
Principal,Watkins Elem School
Ramsey'S Parkway Drive-Thru
All resolvedProducer'S Livestock Pws
Southeast Church Of Christ
Darby Creek Golf Course
Church Of The Nazarene
Springdale Baptist Church
Pharisburg United Methodist Church Pws
Grace Bible Church
Church Of Christ Old Union
Nwo Christian Youth Camp-Ch
Wesleyan Holiness Camp
Old Stone Haus Tavern Pws
Bluescreek Farm Meats
The Pub
Five Co Juvenile Detention Center
Cassens Transport Co
1 health-basedUnited Rotary Brush Co Inc
Allied Systems
Bonnie Plants - Marysville Pws
Ohio Soil Service
The Weeping Willow Pws
Marysville Foursquare Church
All resolvedStockhouse Bar & Grill
4-J Harvestore
Community Action Organization
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Delaware (43040) has more violations than 72% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 13.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.