Filer Water Works
EPA ID: ID5420021 · 2,858 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Filer Water Works (ID5420021): 1 violation recorded with unresolved status in the SDWIS data used. Federal data lists 1 violation as unresolved at Filer Water Works - roughly 2,858 residents in the service area.
Data: EPA SDWIS
Service Area Map
Coverage area for Filer Water Works Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Filer Water Works have a median household income of $62,273 and about 78,502 residents live in those ZIP codes (Census; not the number of people this system supplies). 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 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
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 | LEAD AND COPPER RULE REVISIONS | Non-health-based | Resolved |
| July 2, 2025 | LEAD AND COPPER RULE REVISIONS | Non-health-based | Unaddressed (current) |
| April 1, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| April 9, 2023 | E. COLI | Non-health-based | Resolved |
| October 1, 2022 | Chlorine | Non-health-based | Resolved |
| July 1, 2022 | Chlorine | Non-health-based | Resolved |
| September 1, 2021 | Revised Total Coliform Rule | Non-health-based | Resolved |
| July 1, 2021 | Chlorine | Non-health-based | Resolved |
| April 1, 2021 | Arsenic | Health-based | Resolved |
| January 1, 2021 | Arsenic | Health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Chlorine | Monitoring & Reporting | 3 | No |
| Arsenic | MCL Violation | 2 | Yes |
| LEAD AND COPPER RULE REVISIONS | Monitoring & Reporting | 2 | No |
| E. COLI | Monitoring & Reporting | 1 | No |
| Lead and Copper Rule | Monitoring & Reporting | 1 | No |
| Chlorine | 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 |
|---|---|---|
| 0.0028 mg/L | No | 2026-06-30 |
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records 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.