Plano, TX: 9 Violations — 94/100 (2026)
9 ZIP codes · 8 water systems · Updated 2026-06-03
Residents of Plano generally live with tap water that beats the TX safety average on key EPA compliance metrics.
How Plano Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Plano, TX
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Plano's 9 ZIP codes.
Key Facts for Plano Residents
- Your city's water systems recorded 9 violations in the past 5 years.
- Average lead level: 0.003 mg/L.
- Homes built before 1986: 31% — older plumbing may contain lead solder.
- Estimated remediation: $1,367 per household.
- CDC health risk index: 10.3.
Plano's Water Providers
Residential water in Plano, TX is supplied by 3 separate utilities — not one centralized authority. Each of those providers operates under its own service territory boundary, maintains its own distribution infrastructure, and files compliance documentation with the EPA on its own timeline. Federal data counts 8 water systems in the area, with these providers collectively accounting for the dominant share of household connections.
Overview
We track water quality and home safety data for 9 ZIP codes in Plano, Texas (population ~308,628), covering 8 community water systems serving approximately 2,029,150 people region-wide.
9 of 9 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Plano: A (94/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Plano water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0030 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 9 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 10 | 9 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 75023 | A | 1 | 0 | City of Plano |
| 75024 | A | 1 | 0 | City of Plano |
| 75025 | A | 1 | 0 | City of Plano |
| 75026 | A | 1 | 0 | City of Plano |
| 75074 | A | 1 | 0 | City of Plano |
| 75075 | A | 1 | 0 | City of Plano |
| 75086 | A | 1 | 0 | City of Plano |
| 75093 | A | 1 | 0 | City of Plano |
| 75094 | A | 1 | 0 | City of Plano |
All ZIP Codes in Plano
- 75023 [A] — 1 violation
- 75024 [A] — 1 violation
- 75025 [A] — 1 violation
- 75026 [A] — 1 violation
- 75074 [A] — 1 violation
- 75075 [A] — 1 violation
- 75086 [A] — 1 violation
- 75093 [A] — 1 violation
- 75094 [A] — 1 violation
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
Updated daily.
Plano Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Plano's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Plano Infrastructure Age
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Plano's residential inventory spans multiple construction eras, with the median build year of 1994 landing in a zone where pre- and post-1986 homes are both well represented. That split matters because homes built before 1986 may contain lead-soldered copper joints — a plumbing practice banned that year — while those built before 1970 face the additional possibility of lead pipes in the service line. Whether a specific household sits on the older or newer end of this distribution is the primary variable shaping its individual exposure risk.
Most homes in Plano were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Plano
In Plano, documented water and safety issues can be addressed without making a meaningful dent in home equity — the financial proportionality here is favorable, and the commitment fits within standard property planning frameworks.
Remediation costs in Plano are relatively low compared to home values. The $878–$2,078 estimated range is a small fraction of median property value. Home values are 104% above the Texas average.
Plano: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Although utility-side compliance with federal Lead and Copper requirements remains the system reference, that compliance does not extend down into interior plumbing. With 31% of Plano stock built before the solder ban and aggregate readings at or beyond the action mark, a household-level sample becomes the practical way to close that information gap.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Plano: Flood History & Water Damage Risk
A moderate NFIP record for Plano — 118 insurance claims paired with 67% of ZIP codes in FEMA flood zones — points to a flood history where water-quality pathways have likely been periodically relevant.
Plano has a moderate flood history with 118 FEMA claims averaging $12,991 per payout. 67% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,367</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Plano, TX