WaterQ
Texas State Report All States
Official Status: March 2026

Is Plano tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Plano scores 100/100.

Safety Score
100
out of 100

Still not sure if you need a filter in Plano?

Read Decision Guide →

Plano

Texas

View Texas state report Data updated: Mar 2026

Is Plano tap water safe to drink?

Mostly yes — Plano scores 100/100. This report aggregates EPA drinking water data across 1 local system in Plano. We found 2 total violations (1 unresolved).

Real-Time Environment

Live: 03:30 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Plano.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Plano?

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

Wondering if Plano tap water needs filtering? We break it down.

Baby Formula Safety

Mixing baby formula with Plano tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in Plano, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (100/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Perchlorate levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Plano

2
Violations (5yr)
1
Unresolved
7
Contaminants Tracked
2
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Plano.

Frequently Asked Questions

Is Plano tap water safe to drink?

Mostly yes — Plano scores 100/100.

How many water systems serve Plano?

Plano is served by 1 public water system in our latest EPA-backed dataset.

How can I check water quality for my exact address in Plano?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Plano.

What is the water quality score for Plano?

The water quality score for Plano is 100 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Plano?

The top contaminants detected in Plano include Perchlorate, Mercury, Nitrite. View detailed information on our contaminants page.

Water Quality Score
100/100
Grade
A
Water Systems
1
Population
292,059

Plano Water Quality Summary

Plano, TX receives a water quality score of 100/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Plano's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

Plano's score of 100 is 22 points above the Texas state average of 78, and above the nationwide average of roughly 78/100 across all U.S. states.

For residents and prospective homebuyers looking at this large Texas city, the local drinking supply offers peace of mind with perfect marks for quality. Managing water consistency across a large urban center in the South-central region can be complex, particularly when navigating the challenges of varied geology and the regional oil and gas industry. Despite these environmental factors, Plano's single water system successfully maintains flawless safety standards across the community. This exemplary performance means households can reliably trust their tap water for everyday use.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Texas water quality rankings report →

Key Contaminants

Perchlorate Violation
65.8015 / 56 μg/L
0 μg/L MCL: 56 μg/L
Mercury Violation
2.2334 / 2 μg/L
0 μg/L MCL: 2 μg/L
Nitrite
0.4646 / 1 mg/L
0 mg/L MCL: 1 mg/L
PFOA (Perfluorooctanoic Acid)
0.0016 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L
Chlorine
0.3558 / 4 mg/L
0 mg/L MCL: 4 mg/L
Radium-226
0.3627 / 5 pCi/L
0 pCi/L MCL: 5 pCi/L
PFOS (Perfluorooctane Sulfonate)
0.0002 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L

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Water Systems Serving Plano (1)

Related

Compare Plano water quality: View all states · Contaminant library · How we score water quality