Wymosa Water Assn Inc.
EPA ID: ID4010161 · 280 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Wymosa Water Assn Inc. (ID4010161): 1 violation on record since 2021. Within the EPA violation records on file, Wymosa Water Assn Inc. accumulated 1 violation, and every finding is recorded as resolved; the utility supplies water to approximately 280 people. Resolution of past violations is not a statement about current water quality.
Data: EPA SDWIS
Service Area Map
Coverage area for Wymosa Water Assn Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Wymosa Water Assn Inc. have a median household income of $74,415 and about 17,566 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.
💧 Where Does Your Water Come From?
Wymosa Water Assn 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.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Idaho
System Overview
Wymosa Water Assn Inc. (EPA ID: ID4010161) is a community water system in Idaho that serves approximately 280 people from groundwater sources.
This system serves ZIP code 83703 in Boise.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 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 |
|---|---|---|---|
| December 30, 2021 | Lead and Copper Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead and Copper Rule | 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 |
|---|---|---|
| 0.002 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 $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 ID or modeled from parcel and building-footprint data.
- 83703 - Boise
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Wymosa Water Assn Inc. (ID4010161) on EPA.gov.
Frequently Asked Questions
Is Wymosa Water Assn Inc. water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Wymosa Water Assn Inc.; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Wymosa Water Assn Inc. serve?
Wymosa Water Assn Inc. serves approximately 280 people across 1 ZIP code in Idaho.
Where does Wymosa Water Assn Inc. get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Wymosa Water Assn Inc. (ID): 1 EPA Violation. https://zipcheckup.com/water-system/id4010161/
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author = {{ZipCheckup}},
title = {{Wymosa Water Assn Inc. (ID): 1 EPA Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/id4010161/}
}
What You Can Do
Test your water
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Check your specific ZIP code
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Contact your utility
Wymosa Water Assn Inc. (EPA ID: ID4010161) - request the latest Consumer Confidence Report or ask about specific contaminants.