City of Exeter

ZipCheckup's reading of EPA records for City of Exeter (CA5410003): 1 health-based violation recorded since 2021. While 3 violations did appear in City of Exeter's monitoring record, none is listed as unresolved; the utility serves approximately 11,169 residents. A closed violation record does not by itself establish compliance with every current EPA standard.

Data: EPA SDWIS

System Overview

City of Exeter, (EPA ID: CA5410003) is a community water system in California that serves approximately 11,169 people from groundwater sources.

This system serves ZIP code 93221 in Exeter.

ZIP-Area Home Safety Context: B (70/100)

This is the average Home Safety Score for 1 of 1 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.

Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.

Violation History

Status breakdown for accepted records with record years 2021-2026: 3 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Health Risk Details

Lead (EPA level: 0.015 mg/L (EPA action level for the 90th percentile of a system's tap samples; not a safe level))

Brain damage in children, kidney & blood pressure in adults At-risk groups: infants, children under 6, pregnant women.

Treatment options (verify a product is certified to reduce this contaminant): reverse osmosis, distillation, carbon block filter certified for lead reduction (NSF/ANSI 53). Find the right filter →

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

1 of 1 ZIP records with known zones is in EPA Radon Zone 2.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

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 CA or modeled from parcel and building-footprint data.

• 93221 - Exeter

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for City of Exeter (CA5410003) on EPA.gov.

Frequently Asked Questions

Is City of Exeter water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for City of Exeter; its 3 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does City of Exeter serve?

City of Exeter serves approximately 11,169 people across 1 ZIP code in California.

Where does City of Exeter get its water?

The primary water source is groundwater.

@misc{zipcheckup-water-system-ca5410003,
  author = {{ZipCheckup}},
  title  = {{City of Exeter (CA): 1 Health Violation}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/ca5410003/}
}