Sun Valley Water and Sewer District
EPA ID: ID5070051 · 3,400 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Sun Valley Water and Sewer District (ID5070051): 1 unresolved EPA violation on record. Federal compliance records for Sun Valley Water and Sewer District list 1 open violation that has not yet been resolved - the utility serves approximately 3,400 people, and each outstanding finding remains logged and active in the EPA enforcement database.
Data: EPA SDWIS
Service Area Map
Coverage area for Sun Valley Water and Sewer District Source: EPA SDWIS service area boundaries.
Service area boundary - Grade C
Service Area Demographics
The Sun Valley Water and Sewer District serves a community with a median household income of $86,650 and an estimated 18,849 residents across its service area. Approximately 51% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Sun Valley Water and Sewer District'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 Sun Valley Water and Sewer District compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 1 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Gross Alpha at 5 pCi/L exceeds the EPA maximum of pCi/L. Increased cancer risk from radioactive particles. Consider reverse osmosis filtration.
Radium-226 at 5 pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L) exceeds the EPA maximum of pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L). Bone cancer and leukemia (known carcinogen). Consider ion exchange (water softener) filtration.
Radium-228 at 5 pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L) exceeds the EPA maximum of pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L). Bone cancer and leukemia (known carcinogen). Consider ion exchange (water softener) filtration.
Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
Sun Valley Water and Sewer District (EPA ID: ID5070051) is a community water system in Idaho that serves approximately 3,400 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
ZIP-Area Home Safety Context: C (58/100)
This is the average Home Safety Score for 2 of 3 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Status breakdown for accepted records with record years 2021-2026: 22 resolved, 2 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 | Unaddressed (current) |
| January 1, 2025 | Haloacetic Acids (HAA5) | Non-health-based | Archived |
| January 1, 2025 | Total Trihalomethanes (TTHM) | Non-health-based | Archived |
| January 1, 2024 | Gross Alpha | Non-health-based | Resolved |
| January 1, 2024 | Radium-226 | Non-health-based | Resolved |
| January 1, 2024 | Radium-228 | Non-health-based | Resolved |
| January 1, 2024 | Combined Radium | Non-health-based | Resolved |
| July 1, 2023 | Gross Alpha | Non-health-based | Resolved |
| July 1, 2023 | Radium-226 | Non-health-based | Resolved |
| July 1, 2023 | Radium-228 | Non-health-based | Resolved |
| July 1, 2023 | Combined Radium | Non-health-based | Resolved |
| December 30, 2022 | Stage 1 DBP Rule | Non-health-based | Resolved |
| April 1, 2022 | Gross Alpha | Non-health-based | Resolved |
| April 1, 2022 | Radium-226 | Non-health-based | Resolved |
| April 1, 2022 | Radium-228 | Non-health-based | Resolved |
| April 1, 2022 | Combined Radium | Non-health-based | Resolved |
| January 1, 2022 | Gross Alpha | Non-health-based | Resolved |
| January 1, 2022 | Radium-226 | Non-health-based | Resolved |
| January 1, 2022 | Radium-228 | Non-health-based | Resolved |
| January 1, 2022 | Combined Radium | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Gross Alpha | Radionuclides | 5 | No |
| Combined Radium | Radionuclides | 5 | No |
| Radium-226 | Radionuclides | 5 | No |
| Radium-228 | Radionuclides | 5 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
| Stage 2 DBP Rule | Treatment Failure | 1 | No |
| Contaminant 0700 | Other Violation | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.004 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.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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 Sun Valley Water and Sewer District (ID5070051) on EPA.gov.
Frequently Asked Questions
Is Sun Valley Water and Sewer District 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 Sun Valley Water and Sewer District serve?
Sun Valley Water and Sewer District serves approximately 3,400 people across 3 ZIP codes in Idaho.
Where does Sun Valley Water and Sewer District get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Sun Valley Water and Sewer District (ID): 25 EPA Violations. https://zipcheckup.com/water-system/id5070051/
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author = {{ZipCheckup}},
title = {{Sun Valley Water and Sewer District (ID): 25 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/id5070051/}
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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
Sun Valley Water and Sewer District (EPA ID: ID5070051) - request the latest Consumer Confidence Report or ask about specific contaminants.