Wymosa Water Assn Inc.
EPA ID: ID4010161 · 280 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Wymosa Water Assn Inc. (ID4010161): 1 EPA violation in the last five years. Looking at the EPA enforcement file for Wymosa Water Assn Inc., 1 violation appear in the five-year dataset, but none remain open - the utility has addressed each finding and is in current compliance, with no pending enforcement affecting the 280 people in its service area.
Data: EPA SDWIS
Service Area Map
Coverage area for Wymosa Water Assn Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Wymosa Water Assn Inc. serves a community with a median household income of $74,415 and an estimated 17,566 residents across its service area. 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 pumped from underground aquifers. 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
Detected Contaminants
How Wymosa Water Assn Inc. compares to EPA limits
What This Means For You
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in Idaho
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
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 | Stage 1 DBP 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 |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Failure | 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 | 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 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 the full compliance record 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
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Wymosa Water Assn Inc. (EPA ID: ID4010161) - request the latest Consumer Confidence Report or ask about specific contaminants.