Basin Water Sources Inc.
EPA ID: WA5304600 · 1,158 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Basin Water Sources Inc. (WA5304600): no drinking-water violations recorded since 2021. Across the monitored periods in available EPA data, Basin Water Sources Inc. has no violations listed for its service population of 1,158.
Data: EPA SDWIS
Service Area Map
Coverage area for Basin Water Sources Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Basin Water Sources Inc. have a median household income of $70,732 and about 47,399 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 48% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 63% 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.
💧 Where Does Your Water Come From?
Basin Water Sources Inc.'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.
Infrastructure Risk
PFAS in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 5 detections recorded. 2 detections are above the level of a federal PFAS MCL (4 ppt for PFOA and PFOS), with compliance required from 2029.
Comparable Water Systems
Similar-sized systems in Washington
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
Basin Water Sources Inc. (EPA ID: WA5304600) is a community water system in Washington that serves approximately 1,158 people from groundwater sources.
This system serves ZIP code 98837 in Moses Lake.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | 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 $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree 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.
- 98837 - Moses Lake
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Basin Water Sources Inc. (WA5304600) on EPA.gov.
Frequently Asked Questions
Is Basin Water Sources Inc. water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Basin Water Sources Inc. 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 Basin Water Sources Inc. serve?
Basin Water Sources Inc. serves approximately 1,158 people across 1 ZIP code in Washington.
Where does Basin Water Sources Inc. get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Basin Water Sources Inc. Water Quality Report, WA. https://zipcheckup.com/water-system/wa5304600/
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