Ayersville Water and Sewer District
EPA ID: OH2000903 · 1,660 people served · 1 ZIP code
Water monitoring for Ayersville Water and Sewer District: clean, five years, 1,660 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2021) to 14 (2022). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Ayersville Water and Sewer District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Ayersville Water and Sewer District serves a community with a median household income of $72,082 and an estimated 27,894 residents across its service area. Approximately 78% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Ayersville Water and Sewer District's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Defiance County, Ohio rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 3 detections recorded.
Comparable Water Systems
Similar-sized systems in Ohio
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Ayersville Water and Sewer District (EPA ID: OH2000903) is a community water system in Ohio that serves approximately 1,660 people from surface water sources.
This system serves ZIP code 43512 in Defiance.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by OH or modeled from parcel and building-footprint data.
- 43512 — Defiance
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Ayersville Water and Sewer District (OH2000903) on EPA.gov.
Frequently Asked Questions
Is Ayersville Water and Sewer District water safe to drink?
Based on EPA records, Ayersville Water and Sewer District has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Ayersville Water and Sewer District serve?
Ayersville Water and Sewer District serves approximately 1,660 people across 1 ZIP code in Ohio.
Where does Ayersville Water and Sewer District get its water?
The primary water source is surface water.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.