D
54

Poor Water Quality

Cibecue, AZ 85911

Navajo County · Population served: 15,570 · Data updated March 2026

Water Systems Serving This Area

🏔
WMATUA Miner Flat
Surface water · Pop. 15,570
PWSID: 090400693

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
2.8
15 ppb 1 ppb Warning

Violation History (Last 5 Years)

94Total (5yr)
4Health-Based
87Major

Water Quality Summary

Understanding Your Water in Cibecue

Tap water quality in Cibecue, Arizona (85911) receives an overall grade of D (Poor) with a score of 54 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 6 points below the Arizona state average of 60. Compared to the national average (75), this area scores significantly lower. The area is served by Wmatua Miner Flat, a surface water system providing water to approximately 15,570 people. Testing has found elevated levels of Lead that warrant attention. Over the past 5 years, water systems here have accumulated 94 violations, including 4 health-based violations.

Your Score 54/100 D
vs State 6 pts below Arizona avg (60)
vs National 21 pts below national avg (75)

What a Grade D Means

A score of 54/100 signals poor water quality in Cibecue, AZ. Significant issues have been identified, which may include multiple violations, contaminant levels near or above regulatory limits, or PFAS contamination. We recommend reviewing the detailed contaminant data below, considering a certified water filter, and checking your utility's Consumer Confidence Report for the latest information.

Surface water: sourced from rivers, lakes, or reservoirs

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Cibecue, Arizona receives a grade of D (Poor) with a score of 54/100. This indicates significant water quality concerns based on violation history, contaminant levels, or enforcement actions. We recommend reviewing the specific contaminants detected below and considering a certified water filter.

ZIP code 85911 is served by 1 water system using surface water sources, providing water to approximately 15,570 people. Surface water systems are more susceptible to contamination from agricultural runoff, industrial discharge, and weather events, but typically undergo more extensive treatment including filtration and disinfection.

Lead was detected at 2.8 ppb in Cibecue, Arizona. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

No PFAS ("forever chemicals") were detected in water systems serving Cibecue, Arizona during the most recent EPA monitoring period (UCMR5). However, not all water systems have been tested for all PFAS compounds, and new contamination can occur over time.

Water systems serving Cibecue, Arizona have received 94 violations in the last 5 years, including 4 health-based violations. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead), residents in Cibecue, Arizona should consider: NSF/ANSI 53 certified filter — specifically rated for lead reduction. Pitcher filters (like Brita Longlast or PUR) and under-sink systems both work. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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