Water Quality in Defiance, OH (43512)

EPA violation data for public water systems serving ZIP code 43512.

Past Health-Based Violations

32 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 10 monitoring/reporting violations.

More violations than 89% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

28,022

Population

55

Water Systems

42

Violations (5yr)

32

Health-Based

Location

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Water Systems Serving This Area (55)

Defiance City

6 health-based
Surface water 16,494 people served
6 violations (5yr) · 6 health-based · All resolved
Lead tested: 2.5 ppb (limit: 15 ppb)

Ayersville Water And Sewer District

6 health-based
Purchased surface water 1,660 people served
7 violations (5yr) · 6 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Brunersburg Wd - Tinora

All resolved
Purchased surface water 850 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Poplar Ridge Church Brethren

Groundwater 800 people served
0 violations

Tinora Jr High/ High School

Groundwater 778 people served
0 violations

Independence Dam State Park #4

Groundwater 600 people served
0 violations

Brunersburg Wd - Brunersburg

3 health-based
Purchased surface water 500 people served
4 violations (5yr) · 3 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Christi Water System Inc

3 health-based
Purchased surface water 483 people served
4 violations (5yr) · 3 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Brunersburg Wd - Evansport

7 health-based
Purchased surface water 268 people served
8 violations (5yr) · 7 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Rainbow Promise Childcare And Preschool

Groundwater 263 people served
0 violations
Lead tested: 3.7 ppb (limit: 15 ppb)

St Michael Catholic Church

Groundwater 225 people served
0 violations

Paulding Pancake House

Groundwater 200 people served
0 violations

Nobel Elementary School

Groundwater 200 people served
0 violations

Independence Dam State Park #1

Groundwater 200 people served
0 violations

Apostolic Christian Church

Groundwater 200 people served
0 violations

Cabbage Patch Convenience Store

Groundwater 174 people served
0 violations

Shepherd Pasture Campground

Groundwater 154 people served
0 violations

Oxbow Used Cars

Groundwater 150 people served
0 violations

Jewell Cafe

All resolved
Groundwater 150 people served
2 violations (5yr) · All resolved

Pulaski Head Start

Groundwater 150 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

St Marks Lutheran Church-Defiance

Groundwater 150 people served
0 violations

Latin American Club

Groundwater 150 people served
0 violations

North Mt Zion Church

All resolved
Groundwater 150 people served
2 violations (5yr) · All resolved

Bethlehem Lutheran Church

Groundwater 145 people served
0 violations

Harvest Life Fellowship Inc

Groundwater 120 people served
0 violations

Independence Dam State Park #2

Groundwater 100 people served
0 violations

Defiance Co Coon Hunters Assoc

Groundwater 100 people served
0 violations

St Stephens Lutheran Church-Defiance

Groundwater 100 people served
0 violations

Blockberger Riverside Acres Llc

Groundwater 100 people served
0 violations

Defiance Co Fish & Game Assn

Groundwater 100 people served
0 violations

Bethlehem Lutheran Church-Exempt Hauled

Groundwater 100 people served
0 violations

Bethel Christian Church Of Arthur

Groundwater 100 people served
0 violations

Independence Dam State Park #5

Groundwater 100 people served
0 violations

Miller'S Rolling Hills Estates

Groundwater 90 people served
0 violations

Five Span Inn

Groundwater 90 people served
0 violations

Club 111 On The Auglaize

Groundwater 90 people served
0 violations

St Isidore Catholic Parish

Groundwater 90 people served
0 violations

St Michael Alc

Groundwater 85 people served
0 violations

Cowen Truck Lines

Groundwater 80 people served
0 violations

Tiffin Elementary School

Groundwater 76 people served
0 violations

Highland Mobile Home Park

Groundwater 70 people served
0 violations

Dav Hall Chapter 36

Groundwater 60 people served
0 violations

Tri-State Yokefellow House

Groundwater 50 people served
0 violations

Owner,Rainbow Restaurant

Surface water 50 people served
0 violations

Mgr,Ralph Wolfrum Migrant Camp

Groundwater 43 people served
0 violations

Defiance County Airport

Groundwater 42 people served
0 violations

Faith Baptist Church-Defiance

Groundwater 40 people served
0 violations

Brunersburg Wd - Airport

7 health-based
Purchased surface water 40 people served
8 violations (5yr) · 7 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Power Dam Express

Groundwater 35 people served
0 violations

Cml Building Supplies

Groundwater 30 people served
0 violations

Defiance County Garage

Groundwater 30 people served
0 violations

Oravetz General Store

Groundwater 25 people served
0 violations

Mark Moats Ford-Mercury

Groundwater 25 people served
0 violations

Hohenbergers Trailer Pk.

Groundwater 25 people served
0 violations

Mgr,Riverview Trailer Court

Groundwater 23 people served
0 violations

Contaminants Found

TTHMHealth-Based
32 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

7 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
All resolved
E. COLIMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
2.5 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Defiance (43512) has more violations than 89% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 42.

Fewer violations 89th percentile More violations

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.

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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.

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