Water Quality in Ada, OK (74820)

EPA violation data for public water systems serving ZIP code 74820.

Past Health-Based Violations

5 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 6 monitoring/reporting violations.

More violations than 68% of US ZIP codes.

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

31,943

Population

22

Water Systems

11

Violations (5yr)

5

Health-Based

Location

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Water Systems Serving This Area (22)

Shawnee Municipal Authority

3 health-based
Surface water 29,990 people served
5 violations (5yr) · 3 health-based · All resolved

Ada

1 health-based
Groundwater 22,600 people served
3 violations (5yr) · 1 health-based · All resolved
Lead tested: 1.74 ppb (limit: 15 ppb) ✓

Thackerville Gaming Center (Winstar)

Groundwater 7,102 people served
0 violations

Pontotoc Co Rwd # 7

Purchased groundwater 4,863 people served
0 violations
Lead tested: 1.8 ppb (limit: 15 ppb) ✓

Pontotoc Co Rwd # 8

Groundwater 4,250 people served
0 violations
Lead tested: 2.26 ppb (limit: 15 ppb) ✓

Pontotoc Co Rwd #8

Purchased groundwater 1,700 people served
0 violations

Pontotoc Co Rwd # 2 (Byng)

Purchased groundwater 1,580 people served
0 violations

Pontotoc Co Rwd # 3

Purchased groundwater 1,371 people served
0 violations

Pontotoc Co Rwd # 4

Purchased groundwater 617 people served
0 violations

Pontotoc Co Rwd # 1 (Homer)

1 health-based
Purchased groundwater 441 people served
3 violations (5yr) · 1 health-based · All resolved
Lead tested: 2.28 ppb (limit: 15 ppb) ✓

Country Hills Mhp

Purchased groundwater 300 people served
0 violations

Chick Housing Auth (Byng)

Purchased groundwater 200 people served
0 violations

Panther Park Llc

Purchased groundwater 55 people served
0 violations

Rainbow Motel & Tp

Purchased groundwater 50 people served
0 violations

Country Estates Tp

Purchased groundwater 40 people served
0 violations

Shady Oaks Mhp Pontotoc County

Purchased groundwater 37 people served
0 violations

Lakeview Tp

Purchased groundwater 35 people served
0 violations

Sunset Tp

Purchased groundwater 33 people served
0 violations

Sleepy Hollow Mobile Home Park

Purchased groundwater 25 people served
0 violations

Ken'S Bar B Que

Groundwater 25 people served
0 violations

Ford Switch Mhp

Purchased groundwater 12 people served
0 violations

Union Valley Grocery

Groundwater 3 people served
0 violations

Contaminants Found

CARBON, TOTALHealth-Based
4 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
4 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1.74 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Ada (74820) 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.

Fewer violations 68th 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

NSF Certified Products → EPA Safe Drinking Water Guide →

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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