Water Quality in Red Rock, AZ: 44 Violations — Grade C
Grade C · Score 66/100 · 3 water systems · Updated 2026-05-03
Red Rock's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Water systems in Red Rock, AZ have accumulated 44 EPA violations across the full compliance record — a dataset that captures reportable health-based exceedances, monitoring lapses, and enforcement actions filed with the federal Safe Drinking Water Information System.
Water Quality by ZIP Code in Red Rock
Water quality varies across Red Rock's 2 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 85145 | C | 66 | 22 | 1 | View report → |
| 85245 | C | 66 | 22 | 1 | View report → |
Water Quality Overview
Red Rock, Arizona receives a water quality grade of C with an overall score of 66 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 3 water systems serving Red Rock have accumulated 44 EPA violations, including 2 health-based violations. These violations are tracked across 2 ZIP codes serving approximately 4,253 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Red Rock's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
The average 90th percentile lead level across Red Rock water systems is 0.0100 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
Radon Risk
Red Rock is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Red Rock
Red Rock is served by 3 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 4,253 people across 2 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 20 enforcement actions against water systems serving Red Rock. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Red Rock
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in Red Rock Water Systems
The following contaminants have been detected or caused violations across Red Rock's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Lead | Inorganic | 0.015 mg/L | 8 | 2 | No |
| Lead and Copper Rule | Treatment Technique | N/A | 6 | 2 | No |
| Stage 1 DBP Rule | Treatment Technique | N/A | 6 | 2 | No |
| Revised Total Coliform Rule | Microbiological | N/A | 4 | 2 | No |
| Stage 2 DBP Rule | Treatment Technique | N/A | 4 | 2 | Yes |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 0.08 mg/L | 2 | 2 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Red Rock. Recent actions:
| Date | Action Type |
|---|---|
| 2025-09-10 | State Order Extension |
| 2025-09-02 | State Informal Action |
| 2025-08-01 | State Informal Action |
| 2025-08-01 | State Informal Enforcement |
| 2025-01-31 | State Order Extension |
| 2025-01-13 | State Informal Action |
| 2025-01-13 | State Informal Enforcement |
| 2025-01-06 | State Order Extension |
| 2024-12-30 | State Order Extension |
| 2024-12-20 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-09-10.
Red Rock vs. Nearby Arizona Cities
How Red Rock's water quality compares to similar cities in Arizona:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Red Rock | C | 44 | 3 | 4,253 |
| Quartzsite | C | 22 | 3 | 4,425 |
| Topock | B | 5 | 1 | 3,970 |
| Rimrock | B | 9 | 3 | 3,962 |
Common Questions About Red Rock Water
These are the most common questions residents search for about water quality in Red Rock, Arizona:
Is Red Rock water hard or soft? Water hardness varies by source. Red Rock's 3 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Red Rock tap water? Red Rock's water receives a grade of C (66/100). There are 2 health-based violations — consider filtration.
What is the best water filter for Red Rock? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Red Rock vs. Arizona Average
Understanding how Red Rock compares to the broader Arizona average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Red Rock.
ZIP Codes in Red Rock
Red Rock spans 2 ZIP codes. The ZIP with the lowest water quality score is 85145. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.