Water Quality in Mcalester, OK (74501)

EPA violation data for public water systems serving ZIP code 74501.

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

28,616

Population

13

Water Systems

126

Violations (5yr)

87

Health-Based

Location

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Water Systems Serving This Area (13)

Mcalester Pwa

15 health-based
Surface water 18,206 people served
20 violations (5yr) · 15 health-based · All resolved
Lead tested: 3.6 ppb (limit: 15 ppb)

Pittsburg Co. Rwd #7 (Arpelar)

12 health-based
Purchased surface water 2,040 people served
17 violations (5yr) · 12 health-based · All resolved

Us Army Ammunition Plant

3 health-based
Surface water 1,872 people served
6 violations (5yr) · 3 health-based · All resolved

Pittsburg Co. Rwd #14

46 health-based
Purchased surface water 1,680 people served
59 violations (5yr) · 46 health-based
Lead tested: 3.18 ppb (limit: 15 ppb)

Pittsburg Co. Rwd #9 (Mcalester)

2 health-based
Purchased surface water 872 people served
5 violations (5yr) · 2 health-based

Pittsburg Co. Rwd #11 (Kiowa)

2 health-based
Purchased surface water 790 people served
10 violations (5yr) · 2 health-based
Lead tested: 2.56 ppb (limit: 15 ppb) Copper tested: 1550 ppb (limit: 1300 ppb)

Camp Hudgens

Surface water 300 people served
0 violations

Pittsburg Co. Rwd #6 (Alderson)

7 health-based
Purchased surface water 300 people served
9 violations (5yr) · 7 health-based

Crosstimbers

Purchased surface water 200 people served
0 violations

Pittsburg Co. Rw&Sd #15

Purchased surface water 140 people served
0 violations

Shorline Estates Water

Surface water 30 people served
0 violations

The Barb

Groundwater 20 people served
0 violations

Sunrise Landing

Groundwater 10 people served
0 violations

Contaminants Found

TTHMHealth-Based
54 violations
Has active
Total Haloacetic Acids (HAA5)Health-Based
18 violations
Has active
LEAD AND COPPER RULE REVISIONSHealth-Based
12 violations
Has active
Interim Enhanced Surface Water Treatment RuleHealth-Based
5 violations
All resolved
CARBON, TOTALHealth-Based
4 violations
All resolved
Surface Water Treatment RuleHealth-Based
1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

3 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

2 violations
All resolved
Lead and Copper RuleMonitoring

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

2 violations
Has active
AtrazineMonitoring
1 violation
All resolved
GlyphosateMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
2.56 ppb measured Action level: 15 ppb

Sampled: Jul 2025

Copper (Cu)

Exceeds limit
1550 ppb measured Action level: 1300 ppb

Sampled: Jan 2022

How Does This Compare?

Mcalester (74501) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 126.

Fewer violations 97th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

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