Water Quality in Rio Rancho, NM: 15 Violations - Grade B
Grade B · Score 76/100 · 4 water systems · Updated 2026-07-18
Rio Rancho's water is mostly safe. Minor violations exist but are primarily monitoring-related.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-07-18
Available EPA records for Rio Rancho, NM: 15 water compliance violations tied to local public water systems.
Water Quality by ZIP Code in Rio Rancho
Water quality varies across Rio Rancho's 3 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 87174 | C | 65 | 5 | 1 | View report → |
| 87124 | B | 82 | 5 | 1 | View report → |
| 87144 | B | 82 | 5 | 1 | View report → |
Water Quality Overview
Rio Rancho, New Mexico receives a water quality grade of B with an overall score of 76 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 4 water systems serving Rio Rancho have accumulated 15 EPA violations, including 3 health-based violations. These violations are tracked across 3 ZIP codes serving approximately 108,378 people.
What Grade B Means
A grade of B indicates good compliance with EPA drinking water standards. While not perfect, Rio Rancho's water systems meet the vast majority of federal requirements. Minor violations may exist but typically relate to monitoring or reporting rather than health-based standards.
Lead Levels
The average 90th percentile lead level across Rio Rancho water systems is 0.0010 mg/L - within EPA limits. No ZIP codes exceed the EPA lead action level.
Radon Risk
Rio Rancho is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Rio Rancho
Rio Rancho is served by 4 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 108,378 people across 3 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 30 enforcement actions against water systems serving Rio Rancho. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Rio Rancho
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 Rio Rancho Water Systems
The following contaminants have been detected or caused violations across Rio Rancho's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | N/A | 6 | 3 | No |
| Stage 2 DBP Rule | Treatment Technique | N/A | 6 | 3 | Yes |
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 12 enforcement actions against water systems serving Rio Rancho. Recent actions:
| Date | Action Type |
|---|---|
| 2025-07-24 | State Informal Action |
| 2025-07-11 | State Order Extension |
| 2025-06-02 | State Informal Action |
| 2025-06-02 | State Informal Enforcement |
| 2024-05-22 | State Informal Action |
| 2024-05-22 | State Informal Enforcement |
| 2024-04-10 | State Order Extension |
| 2024-03-20 | State Informal Action |
| 2024-03-20 | State Informal Enforcement |
| 2024-02-22 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-07-24.
Rio Rancho vs. Nearby New Mexico Cities
How Rio Rancho's water quality compares to similar cities in New Mexico:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Rio Rancho | B | 15 | 4 | 108,378 |
| Santa Fe | D | 242 | 11 | 133,507 |
| Las Cruces | B | 63 | 13 | 157,191 |
| Farmington | B | 15 | 9 | 56,846 |
Water Quality by ZIP Code in Rio Rancho
Water quality varies across Rio Rancho's ZIP codes. The table below shows the worst-scoring and best-scoring areas:
Common Questions About Rio Rancho Water
These are the most common questions residents search for about water quality in Rio Rancho, New Mexico:
Is Rio Rancho water hard or soft? Water hardness varies by source. Rio Rancho's 4 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Rio Rancho tap water? Rio Rancho's water receives a grade of B (76/100). There are 3 health-based violations - consider filtration.
What is the best water filter for Rio Rancho? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Rio Rancho vs. New Mexico Average
Understanding how Rio Rancho compares to the broader New Mexico 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 Rio Rancho.
ZIP Codes in Rio Rancho
Rio Rancho spans 3 ZIP codes. The ZIP with the lowest water quality score is 87124. 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.
Frequently Asked Questions
Your Water is Safe - Here's How to Keep It That Way
Grade B is excellent news. Here's what proactive homeowners do to maintain water quality:
Annual Water Testing
EPA recommends annual testing even with clean water. Home test kits: $20-$50. Catches changes before they become problems.
Maintenance Filtration
A basic carbon filter removes chlorine taste and catches emerging contaminants like PFAS that aren't yet fully regulated.
Plumbing Check
Even safe city water picks up lead from home pipes. If your home was built before 1986, a one-time pipe inspection is recommended.