Filer Water Works
EPA ID: ID5420021 · 2,858 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Filer Water Works (ID5420021): 1 unresolved EPA violation on record. Five-year compliance data for Filer Water Works includes 1 violation the EPA has not yet marked resolved - those open findings are part of the utility's current enforcement profile, covering a service population of approximately 2,858 residents across the area it supplies.
Data: EPA SDWIS
Service Area Map
Coverage area for Filer Water Works Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Filer Water Works serves a community with a median household income of $62,273 and an estimated 78,502 residents across its service area. Approximately 58% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Filer Water Works'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.
Infrastructure Risk
Detected Contaminants
How Filer Water Works compares to EPA limits
What This Means For You
Revised Total Coliform Rule at 3 presence exceeds the EPA maximum of presence.
Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Total Coliform at 1 presence exceeds the EPA maximum of presence.
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
Filer Water Works (EPA ID: ID5420021) is a community water system in Idaho that serves approximately 2,858 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 9 resolved, 0 archived, 0 addressed, and 1 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 2, 2025 | Stage 2 DBP Rule | Non-health-based | Resolved |
| July 2, 2025 | Stage 2 DBP Rule | Non-health-based | Unaddressed (current) |
| April 1, 2025 | Stage 1 DBP Rule | Non-health-based | Resolved |
| April 9, 2023 | Total Coliform | Non-health-based | Resolved |
| October 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| July 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| September 1, 2021 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| July 1, 2021 | Revised Total Coliform Rule | Non-health-based | Resolved |
| April 1, 2021 | Barium | Health-based | Resolved |
| January 1, 2021 | Barium | Health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 3 | No |
| Barium | Inorganic | 2 | Yes |
| Stage 2 DBP Rule | Treatment Failure | 2 | No |
| Total Coliform | Microbiological | 1 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.00284 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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Filer Water Works (ID5420021) on EPA.gov.
Frequently Asked Questions
Is Filer Water Works water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Filer Water Works serve?
Filer Water Works serves approximately 2,858 people across 3 ZIP codes in Idaho.
Where does Filer Water Works get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Filer Water Works (ID): 2 Health Violations. https://zipcheckup.com/water-system/id5420021/
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author = {{ZipCheckup}},
title = {{Filer Water Works (ID): 2 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/id5420021/}
}
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
Filer Water Works (EPA ID: ID5420021) - request the latest Consumer Confidence Report or ask about specific contaminants.