Water Quality in Defiance, PA (16633)
EPA violation data for public water systems serving ZIP code 16633.
No Health-Based Violations
None of the 1 water system serving this ZIP has exceeded federal contaminant limits in the past 5 years. There are23 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 81% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
313
Population
1
Water Systems
23
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (1)
Defiance Water Assn
All resolvedContaminants Found
Annual water quality report delivery requirement.
Missed testing deadlines — not a detection of bacteria.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Similar to nitrate — harmful to infants at high levels.
At high levels, nitrate can cause blue baby syndrome in infants.
How Does This Compare?
Defiance (16633) has more violations than 81% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 23, most of which are monitoring/reporting issues.
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.