Water Quality in Defiance, OH (43556)

EPA violation data for public water systems serving ZIP code 43556.

Past Health-Based Violations

6 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There is also 1 monitoring/reporting violation.

More violations than 60% of US ZIP codes.

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

1,670

Population

9

Water Systems

7

Violations (5yr)

6

Health-Based

Location

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Water Systems Serving This Area (9)

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)

Sherwood Village

All resolved
Groundwater 854 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Fairview Middle/High School

Groundwater 785 people served
0 violations

Farmer Elementary School

Groundwater 310 people served
0 violations

St John Lutheran Church-Sherwood

Groundwater 150 people served
0 violations

St Stephens Cath Church

Groundwater 100 people served
0 violations

St Johns Lutheran Church

Groundwater 50 people served
0 violations

Lee'S Dairy Bar

Groundwater 25 people served
0 violations

Bairs Coffee Shop

Groundwater 25 people served
0 violations

Contaminants Found

TTHMHealth-Based
6 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

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 (43556) has more violations than 60% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 7.

Fewer violations 60th 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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