Water Quality in Denton, TX (75077)

EPA violation data for public water systems serving ZIP code 75077.

No Health-Based Violations

None of the 9 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are14 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 73% of US ZIP codes.

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

42,950

Population

9

Water Systems

14

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (9)

City Of Denton

Surface water 150,037 people served
0 violations
Lead tested: 1.5 ppb (limit: 15 ppb)

City Of Lewisville

Surface water 140,880 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Mustang Sud

All resolved
Purchased surface water 110,826 people served
2 violations (5yr) · All resolved
Lead tested: 1.45 ppb (limit: 15 ppb)

Town Of Flower Mound

Purchased surface water 80,000 people served
0 violations
Lead tested: 1.6 ppb (limit: 15 ppb)

City Of The Colony

All resolved
Purchased surface water 45,367 people served
1 violation (5yr) · All resolved
Lead tested: 0.62 ppb (limit: 15 ppb)

Town Of Little Elm

Purchased surface water 41,000 people served
0 violations
Lead tested: 2.17 ppb (limit: 15 ppb)

City Of Highland Village

All resolved
Purchased surface water 16,500 people served
1 violation (5yr) · All resolved
Lead tested: 2.62 ppb (limit: 15 ppb)

Quartz Creek Property Owners Association

All resolved
Groundwater under influence of surface water 29 people served
10 violations (5yr) · All resolved

Cedar Creek Mobile Home Park

Groundwater 0
0 violations

Contaminants Found

Lead and Copper RuleMonitoring

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

4 violations
All resolved
Surface Water Treatment RuleMonitoring
4 violations
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
4 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Denton (75077) has more violations than 73% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 14, most of which are monitoring/reporting issues.

Fewer violations 73th 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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