Mt. Pleasant Water Users Association
EPA ID: CA4300563 · 300 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Mt. Pleasant Water Users Association (CA4300563): no EPA violations recorded in the last five years. Zero violations in five consecutive years of EPA monitoring - Mt. Pleasant Water Users Association has held a clean track record across every reporting cycle in that span, with no enforcement activity of any kind on file for the full service population of 300 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Mt. Pleasant Water Users Association Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mt. Pleasant Water Users Association serves a community with a median household income of $140,639 and an estimated 106,524 residents across its service area. Approximately 73% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Mt. Pleasant Water Users Association'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.
Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 4 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Comparable Water Systems
Similar-sized systems in California
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
Mt. Pleasant Water Users Association (EPA ID: CA4300563) is a community water system in California that serves approximately 300 people from surface water sources.
This system provides water to 3 ZIP codes across 2 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0007 mg/L | No | N/A |
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 $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 CA 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 the full compliance record for Mt. Pleasant Water Users Association (CA4300563) on EPA.gov.
Frequently Asked Questions
Is Mt. Pleasant Water Users Association water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Mt. Pleasant Water Users Association in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Mt. Pleasant Water Users Association serve?
Mt. Pleasant Water Users Association serves approximately 300 people across 3 ZIP codes in California.
Where does Mt. Pleasant Water Users Association get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mt. Pleasant Water Users Association Water Report, CA. https://zipcheckup.com/water-system/ca4300563/
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title = {{Mt. Pleasant Water Users Association Water Report, CA}},
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url = {https://zipcheckup.com/water-system/ca4300563/}
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