Oak Valley
EPA ID: IA5784311 · 100 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Oak Valley (IA5784311): 1 unresolved EPA violation on record. 1 open EPA finding remain on record at Oak Valley - the utility supplies approximately 100 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Oak Valley Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Oak Valley serves a community with a median household income of $164,972 and an estimated 8,357 residents across its service area.
💧 Where Does Your Water Come From?
Oak Valley'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.
Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Detected Contaminants
How Oak Valley compares to EPA limits
What This Means For You
Lead at 1 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
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.
Lead and Copper Rule at 4 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Lead was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
Similar-sized systems in Iowa
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
Oak Valley (EPA ID: IA5784311) is a community water system in Iowa that serves approximately 100 people from groundwater sources.
This system serves ZIP code 52411 in Cedar Rapids.
Violation History
Status breakdown for accepted records with record years 2021-2026: 10 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 |
|---|---|---|---|
| December 1, 2025 | Stage 1 DBP Rule | Non-health-based | Resolved |
| March 6, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| October 22, 2024 | Lead and Copper Rule | Non-health-based | Resolved |
| July 1, 2024 | Lead | Non-health-based | Resolved |
| June 16, 2024 | Total Coliform | Non-health-based | Resolved |
| December 1, 2022 | Stage 1 DBP Rule | Non-health-based | Resolved |
| October 12, 2022 | Lead and Copper Rule | Non-health-based | Resolved |
| August 1, 2022 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| August 1, 2022 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| July 13, 2022 | Lead and Copper Rule | Non-health-based | Unaddressed (current) |
| July 1, 2022 | Surface Water Treatment 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 | Treatment Failure | 4 | No |
| Stage 1 DBP Rule | Treatment Failure | 2 | No |
| Lead | Inorganic | 1 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
| Total Coliform | Microbiological | 1 | No |
| Surface Water Treatment 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 IA or modeled from parcel and building-footprint data.
- 52411 - Cedar Rapids
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Oak Valley (IA5784311) on EPA.gov.
Frequently Asked Questions
Is Oak Valley 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 Oak Valley serve?
Oak Valley serves approximately 100 people across 1 ZIP code in Iowa.
Where does Oak Valley get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Oak Valley (IA): 11 EPA Violations. https://zipcheckup.com/water-system/ia5784311/
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author = {{ZipCheckup}},
title = {{Oak Valley (IA): 11 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ia5784311/}
}
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
Oak Valley (EPA ID: IA5784311) - request the latest Consumer Confidence Report or ask about specific contaminants.