Water Quality in Lawton, OK (73505)

EPA violation data for public water systems serving ZIP code 73505.

No Health-Based Violations

None of the 11 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are8 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 62% of US ZIP codes.

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

47,790

Population

11

Water Systems

8

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (11)

Lawton

All resolved
Surface water 92,757 people served
3 violations (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Fort Sill Hqusafacfs

Purchased surface water 23,000 people served
0 violations
Lead tested: 1.16 ppb (limit: 15 ppb)

Pecan Valley Rwd

Purchased surface water 1,000 people served
5 violations (5yr)
Lead tested: 0.67 ppb (limit: 15 ppb) Copper tested: 1490 ppb (limit: 1300 ppb)

University Mhp

Purchased surface water 300 people served
0 violations

Christian Center/Camp Faith

Groundwater 300 people served
0 violations

West Lee Mhp

Purchased surface water 120 people served
0 violations

Ryans Mhp

Purchased surface water 80 people served
0 violations

Plaza Park

Purchased surface water 50 people served
0 violations

Sw 67th St Water Assn Inc

Purchased surface water 50 people served
0 violations

Pecan Valley Addition

Groundwater 30 people served
0 violations

Rhoades Development

Groundwater 8 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
TTHMMonitoring
1 violation
All resolved
Surface Water Treatment RuleMonitoring
1 violation
All resolved
Lead and Copper RuleMonitoring

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

1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
2 ppb measured Action level: 15 ppb

Sampled: Jan 2025

Copper (Cu)

Exceeds limit
1490 ppb measured Action level: 1300 ppb

Sampled: Jan 2023

How Does This Compare?

Lawton (73505) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8, most of which are monitoring/reporting issues.

Fewer violations 62th 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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