Historical Compliance Records WA

Plymouth Water District

EPA ID: WA5368045 ยท 288 people served ยท 1 ZIP code

ZipCheckup's reading of EPA records for Plymouth Water District (WA5368045): 22 violations on record since 2021. Within the EPA violation records on file, Plymouth Water District accumulated 22 violations, and every finding is recorded as resolved; the utility supplies water to approximately 288 people. Resolution of past violations is not a statement about current water quality.

Data: EPA SDWIS

288
People Served
1
ZIP Code Served
22
Violations (since 2021)
Groundwater
Water Source
0.0006 mg/L
Most recent lead 90th percentile on record (monitoring period ending 2024-12-31)
22
Contaminants Flagged
$289K
Median Home Value in ZIP Codes Served

Service Area Map

Coverage area for Plymouth Water District Source: EPA SDWIS service area boundaries.

Service area boundary

Demographics of ZIP Codes Served

$74,393
Median Household Income
14,278
Population of ZIP Codes Served (Census)
31%
Disadvantaged Population
50th
Poverty Percentile
30th
Energy Burden Percentile
54%
Pre-1986 Housing

The ZIP codes associated with Plymouth Water District have a median household income of $74,393 and about 14,278 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 54% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

Environmental Justice Note: On average, 31% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

๐Ÿ’ง Where Does Your Water Come From?

Groundwater

Plymouth Water District's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Moderate Risk
Source Contamination Risk
20th
Wastewater Discharge Proximity
60th
Superfund Site Proximity

Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.

Infrastructure Risk

40 yr
Estimated pipe age (modeled from housing age)
Copper
Likely pipe material (modeled)
30 yr
Est. Remaining Life
Stable
Decay Status
Installed 57% of expected lifespan used (estimate) End of life

Comparable Water Systems

Similar-sized systems in Washington

5 violations
Marys Garden
280 people
0 violations
Andrews First
299 people
0 violations
2 violations
0 violations

Cost of Inaction

Illustrative per-household cost scenario based on stated assumptions:

Estimated Healthcare Costs $1,500

Annual per household (ZipCheckup estimate)

Estimated Cumulative Cost Per Household

5 years
$7,500
10 years
$15,000
20 years
$30,000

Individual costs vary by household size, property, and health factors. These estimates are for awareness, not financial advice.

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

No current noncompliance in the accepted 2026Q2 snapshot. The 22 records in the 2021-2026 window are classified as resolved or archived, not current.

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

Date Contaminant Type Status
July 1, 2023 Consumer Confidence Rule Non-health-based Resolved
January 1, 2023 Fluoride Non-health-based Resolved
October 1, 2022 1,2,4-Trichlorobenzene Non-health-based Resolved
October 1, 2022 cis-1,2-Dichloroethylene Non-health-based Resolved
October 1, 2022 DICHLOROMETHANE Non-health-based Resolved
October 1, 2022 o-Dichlorobenzene Non-health-based Resolved
October 1, 2022 p-Dichlorobenzene Non-health-based Resolved
October 1, 2022 Vinyl chloride Non-health-based Resolved
October 1, 2022 1,1-Dichloroethylene Non-health-based Resolved
October 1, 2022 trans-1,2-Dichloroethylene Non-health-based Resolved
October 1, 2022 1,2-Dichloroethane Non-health-based Resolved
October 1, 2022 1,1,1-Trichloroethane Non-health-based Resolved
October 1, 2022 Carbon tetrachloride Non-health-based Resolved
October 1, 2022 1,2-Dichloropropane Non-health-based Resolved
October 1, 2022 Trichloroethylene Non-health-based Resolved
October 1, 2022 1,1,2-Trichloroethane Non-health-based Resolved
October 1, 2022 Tetrachloroethylene Non-health-based Resolved
October 1, 2022 CHLOROBENZENE Non-health-based Resolved
October 1, 2022 Benzene Non-health-based Resolved
October 1, 2022 Toluene Non-health-based Resolved

Contaminants Detected

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

Contaminant Category Violations Health-Based
Fluoride Monitoring & Reporting 1 No
1,2,4-Trichlorobenzene Monitoring & Reporting 1 No
cis-1,2-Dichloroethylene Monitoring & Reporting 1 No
DICHLOROMETHANE Monitoring & Reporting 1 No
o-Dichlorobenzene Monitoring & Reporting 1 No
p-Dichlorobenzene Monitoring & Reporting 1 No
Vinyl chloride Monitoring & Reporting 1 No
1,1-Dichloroethylene Monitoring & Reporting 1 No
trans-1,2-Dichloroethylene Monitoring & Reporting 1 No
1,2-Dichloroethane Monitoring & Reporting 1 No
1,1,1-Trichloroethane Monitoring & Reporting 1 No
Carbon tetrachloride Monitoring & Reporting 1 No
1,2-Dichloropropane Monitoring & Reporting 1 No
Trichloroethylene Monitoring & Reporting 1 No
1,1,2-Trichloroethane Monitoring & Reporting 1 No

Lead & Copper

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

Lead Level Exceeds Action Level Sample Date
0.0006 mg/L No 2024-12-31

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

Need help with your water quality?

Typical cost: Water test: typically $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.

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.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records 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.

Frequently Asked Questions

Should I use a water filter? ▼
Given 22 recorded violations, review the violation types and dates; a filter certified for a specific contaminant of concern can reduce that contaminant at the tap. Monitoring or reporting violations are not something a filter addresses.
How many people does Plymouth Water District serve? ▼
Plymouth Water District serves approximately 288 people with drinking water across 1 ZIP code.
What is Plymouth Water District's water source? ▼
Plymouth Water District draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Plymouth Water District's water? ▼
The most recent 90th-percentile lead result on record is 0.0006 mg/L (sample period ending 2024-12-31). This is at or below the EPA lead action level, which triggers system action and is not a safe level; the EPA health goal for lead is zero.
What is the demographic profile of the ZIP codes associated with Plymouth Water District? ▼
The ZIP codes mapped to Plymouth Water District have a median household income of $74,393 (Census ZIP-code estimate). In CEJST data, 31% of census tracts in the counties mapped to this area are designated disadvantaged (average across mapped ZIP codes), which may indicate greater vulnerability to environmental health risks.
Where does Plymouth Water District get its water? ▼
Plymouth Water District's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table. Based on the available data, the modeled source-contamination category is moderate; test local water to assess actual exposure.

How to cite this page

APA ZipCheckup. (n.d.). Plymouth Water District (WA): 22 EPA Violations. https://zipcheckup.com/water-system/wa5368045/
BibTeX
@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/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

Plymouth Water District (EPA ID: WA5368045) - request the latest Consumer Confidence Report or ask about specific contaminants.

Home › Water Systems › Washington › Plymouth Water District

Get safety alerts for Plymouth Water District, Washington

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Violations found - check filter options Free tool - no phone call required.