Indio Water Authority
EPA ID: CA3310020 · 84,757 people served · 6 ZIP codes
ZipCheckup's reading of EPA SDWIS for Indio Water Authority (CA3310020): 1 EPA violation in the last five years. A total of 1 EPA violation spanning the past five monitoring years sit on Indio Water Authority's record - every finding has been officially cleared, and the supplier now holds current compliance status for its service population of approximately 84,757 people, with no outstanding enforcement of any kind.
Data: EPA SDWIS
Service Area Map
Coverage area for Indio Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Indio Water Authority serves a community with a median household income of $66,949 and an estimated 207,443 residents across its service area.
Environmental Justice Note: 52% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Indio Water Authority'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 Indio Water Authority 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.
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 California
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
Indio Water Authority (EPA ID: CA3310020) is a community water system in California that serves approximately 84,757 people from groundwater sources.
This system provides water to 6 ZIP codes across 5 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 0 resolved, 1 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 |
|---|---|---|---|
| July 1, 2024 | Lead | Non-health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead | Inorganic | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 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 CA or modeled from parcel and building-footprint data.
- 92201 - Indio
- 92203 - Indio
- 92236 - Coachella
- 92241 - Desert Hot Springs
- 92253 - La Quinta
- 92274 - Thermal
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Indio Water Authority (CA3310020) on EPA.gov.
Frequently Asked Questions
Is Indio Water Authority water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Indio Water Authority; 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 Indio Water Authority serve?
Indio Water Authority serves approximately 84,757 people across 6 ZIP codes in California.
Where does Indio Water Authority 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.). Indio Water Authority (CA): 1 EPA Violation. https://zipcheckup.com/water-system/ca3310020/
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title = {{Indio Water Authority (CA): 1 EPA Violation}},
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url = {https://zipcheckup.com/water-system/ca3310020/}
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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
Indio Water Authority (EPA ID: CA3310020) - request the latest Consumer Confidence Report or ask about specific contaminants.