City of Plano
EPA ID: TX0430007 · 292,059 people served · 12 ZIP codes
Although 1 violation appeared on City of Plano's record, all have been remedied — currently compliant, 292,059 served.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 5 (2022) to 2 (2024). Violation counts have remained relatively steady.
Service Area Map
Coverage area for City of Plano Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
Service Area Demographics
The City of Plano serves a community with a median household income of $113,569 and an estimated 466,431 residents across its service area.
🌊 Where Does Your Water Come From?
City of Plano's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Collin County, Texas rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How City of Plano compares to EPA limits
What This Means For You
Revised Total Coliform Rule at 1 presence exceeds the EPA maximum of presence.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 48 detections recorded.
Comparable Water Systems
Similar-sized systems in Texas
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
City of Plano (EPA ID: TX0430007) is a community water system in Texas that serves approximately 292,059 people from surface water sources.
This system provides water to 12 ZIP codes across 4 communities.
Average Home Safety Score: A (94/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 75023 | 0.00296 mg/L | No | N/A |
| 75024 | 0.00296 mg/L | No | N/A |
| 75025 | 0.00296 mg/L | No | N/A |
| 75026 | 0.00296 mg/L | No | N/A |
| 75074 | 0.00296 mg/L | No | N/A |
| 75075 | 0.00296 mg/L | No | N/A |
| 75086 | 0.00296 mg/L | No | N/A |
| 75093 | 0.00296 mg/L | No | N/A |
| 75094 | 0.00296 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: 10 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 2 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
- 75002 — Allen
- 75007 — Carrollton
- 75023 — Plano
- 75024 — Plano
- 75025 — Plano
- 75026 — Plano
- 75074 — Plano
- 75075 — Plano
- 75082 — Richardson
- 75086 — Plano
- 75093 — Plano
- 75094 — Plano
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for City of Plano (TX0430007) on EPA.gov.
Frequently Asked Questions
Is City of Plano water safe to drink?
City of Plano has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does City of Plano serve?
City of Plano serves approximately 292,059 people across 12 ZIP codes in Texas.
Where does City of Plano get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Detected
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). PFAS compounds were detected below the current state-enforceable MCL.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
City of Plano (EPA ID: TX0430007) — request the latest Consumer Confidence Report or ask about specific contaminants.