Water Quality in Plano, TX (75452)

EPA violation data for public water systems serving ZIP code 75452.

No Health-Based Violations

None of the 11 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are11 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 68% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

5,024

Population

11

Water Systems

11

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (11)

City Of Plano

Purchased surface water 292,059 people served
0 violations
Lead tested: 1.4 ppb (limit: 15 ppb)

City Of Frisco

Purchased surface water 231,910 people served
0 violations

City Of Mckinney

Purchased surface water 224,043 people served
0 violations
Lead tested: 0.9 ppb (limit: 15 ppb)

City Of Allen

Purchased surface water 104,870 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

City Of Celina

Purchased surface water 52,701 people served
0 violations

City Of Wylie

Purchased surface water 47,322 people served
0 violations
Lead tested: 1.03 ppb (limit: 15 ppb)

Town Of Prosper

All resolved
Purchased surface water 42,598 people served
1 violation (5yr) · All resolved
Lead tested: 1.98 ppb (limit: 15 ppb)

City Of Greenville

All resolved
Surface water 33,354 people served
2 violations (5yr) · All resolved
Lead tested: 1.92 ppb (limit: 15 ppb)

Cash Sud

Surface water 25,875 people served
0 violations
Lead tested: 3.6 ppb (limit: 15 ppb)

West Leonard Wsc

Groundwater 2,586 people served
2 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

City Of Leonard

All resolved
Groundwater 2,550 people served
6 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Contaminants Found

Public NoticeMonitoring
4 violations
Has active
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

3 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1.4 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Plano (75452) has more violations than 68% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 11, most of which are monitoring/reporting issues.

Fewer violations 68th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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