Plymouth Water District

ZipCheckup's reading of EPA SDWIS for Plymouth Water District (WA5368045): 22 EPA violations in the last five years. The five-year EPA compliance file for Plymouth Water District contains 22 violations, each documented and subsequently closed - the utility now operates in full compliance and continues to supply approximately 288 residents with water meeting current federal standards, including both health-based and monitoring requirements.

Data: EPA SDWIS

System Overview

Plymouth Water District (EPA ID: WA5368045) is a community water system in Washington that serves approximately 288 people from groundwater sources.

This system serves ZIP code 99350 in Prosser.

Violation History

Status breakdown for accepted records with record years 2021-2026: 22 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:

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.

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 WA or modeled from parcel and building-footprint data.

• 99350 - Prosser

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Plymouth Water District (WA5368045) on EPA.gov.

Frequently Asked Questions

Is Plymouth Water District water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Plymouth Water District; its 22 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Plymouth Water District serve?

Plymouth Water District serves approximately 288 people across 1 ZIP code in Washington.

Where does Plymouth Water District get its water?

The primary water source is groundwater.

@misc{zipcheckup-water-system-wa5368045,
  author = {{ZipCheckup}},
  title  = {{Plymouth Water District (WA): 22 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/wa5368045/}
}