Water Quality in Norman, OK (74851)

EPA violation data for public water systems serving ZIP code 74851.

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

11,489

Population

31

Water Systems

1,278

Violations (5yr)

13

Health-Based

Location

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Water Systems Serving This Area (31)

Norman Utilities Authority

1 health-based
Surface water 104,868 people served
2 violations (5yr) · 1 health-based · All resolved
Lead tested: 0.55 ppb (limit: 15 ppb) ✓

Moore Public Works Authority

4 health-based
Purchased surface water 55,083 people served
92 violations (5yr) · 4 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓

Oklahoma University

All resolved
Purchased surface water 34,000 people served
5 violations (5yr) · All resolved
Lead tested: 1.6 ppb (limit: 15 ppb) ✓

Shawnee Municipal Authority

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

Mcloud

Groundwater 2,939 people served
0 violations
Lead tested: 7.4 ppb (limit: 15 ppb) ✓

Mabel Bassett Corr Center

Purchased groundwater 1,300 people served
0 violations

Mable Bassett Corr. Center Well System

Groundwater 1,050 people served
0 violations

Dale School

Groundwater 650 people served
0 violations

Kickapoo Env Dept/Clinic Complex

Groundwater 200 people served
0 violations

Curtis Watsons Restaurant

All resolved
Groundwater 200 people served
1 violation (5yr) · All resolved

Kickapoo Env Dept/Trad Housing

Groundwater 200 people served
0 violations

Kickapoo Env Dept/Casino Complex

Groundwater 165 people served
0 violations

Cottonwood Cove

2 health-based
Groundwater 120 people served
8 violations (5yr) · 2 health-based

White Rock School

1 health-based
Groundwater 100 people served
105 violations (5yr) · 1 health-based · All resolved

Pine Country Living Mhp

1 health-based
Groundwater 100 people served
301 violations (5yr) · 1 health-based · All resolved
Lead tested: 3.6 ppb (limit: 15 ppb) ✓

Kickapoo Env Dept/Head Start

Groundwater 50 people served
0 violations

Harkeys Western Grill

Groundwater 45 people served
0 violations

Timber Creek Mhp East & West

1 health-based
Groundwater 40 people served
759 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb) ✓

Kickapoo Head Start

Groundwater 40 people served
0 violations

Nancy'S Day Care Center

Groundwater 30 people served
0 violations

Kickapoo Multipurpose Complex

Groundwater 30 people served
0 violations

Former P&S Country Store

Groundwater 25 people served
0 violations

Jacktown Country Market

Groundwater 25 people served
0 violations

Kidee Kollege

Groundwater 25 people served
0 violations

Kickapoo Child Welfare System

Groundwater 25 people served
0 violations

Typhoon Corner

Groundwater 25 people served
0 violations

Vinsons Dx

Groundwater 25 people served
0 violations

Mcloud Mhp

Groundwater 19 people served
0 violations

Wallis Rentals

Groundwater 18 people served
0 violations

Newalla-Mcloud Telephone

Groundwater 15 people served
0 violations

Carls Groc

Groundwater 5 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

74 violations
Has active
LEAD AND COPPER RULE REVISIONSHealth-Based
10 violations
All resolved
CARBON, TOTALHealth-Based
4 violations
All resolved
ArsenicHealth-Based

A naturally occurring element that can cause cancer and other health effects at high levels.

3 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

20 violations
All resolved
BHC-GAMMAMonitoring
13 violations
All resolved
LASSOMonitoring
13 violations
All resolved
EndrinMonitoring
13 violations
All resolved
SimazineMonitoring
13 violations
All resolved
ToxapheneMonitoring
13 violations
All resolved
Total Polychlorinated Biphenyls (PCB)Monitoring
13 violations
All resolved
HexachlorocyclopentadieneMonitoring
13 violations
All resolved
AtrazineMonitoring
13 violations
All resolved
HEXACHLOROBENZENEMonitoring
13 violations
All resolved
ChlordaneMonitoring
13 violations
All resolved
Heptachlor epoxideMonitoring
13 violations
All resolved
HeptachlorMonitoring
13 violations
All resolved
MethoxychlorMonitoring
13 violations
All resolved
1,2-DIBROMO-3-CHLOROPROPANEMonitoring
12 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
12 violations
All resolved
2,4-DMonitoring
12 violations
All resolved
1,1,2-TrichloroethaneMonitoring
12 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
12 violations
All resolved
TolueneMonitoring
12 violations
All resolved
1,1-DichloroethyleneMonitoring
12 violations
All resolved
p-DichlorobenzeneMonitoring
12 violations
All resolved
PicloramMonitoring
12 violations
All resolved
PentachlorophenolMonitoring
12 violations
All resolved
Benzo(a)pyreneMonitoring
12 violations
All resolved
2,4,5-TPMonitoring
12 violations
All resolved
ETHYLENE DIBROMIDEMonitoring
12 violations
All resolved
OXAMYLMonitoring
12 violations
All resolved
1,2-DichloropropaneMonitoring
12 violations
All resolved
CHLOROBENZENEMonitoring
12 violations
All resolved
1,1,1-TrichloroethaneMonitoring
12 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
12 violations
All resolved
Vinyl chlorideMonitoring
12 violations
All resolved
EndothallMonitoring
12 violations
All resolved
TrichloroethyleneMonitoring
12 violations
All resolved
Xylenes, TotalMonitoring
12 violations
All resolved
BenzeneMonitoring
12 violations
All resolved
DinosebMonitoring
12 violations
All resolved
DalaponMonitoring
12 violations
All resolved
StyreneMonitoring
12 violations
All resolved
TetrachloroethyleneMonitoring
12 violations
All resolved
o-DichlorobenzeneMonitoring
12 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
12 violations
All resolved
EthylbenzeneMonitoring
12 violations
All resolved
1,2-DichloroethaneMonitoring
12 violations
All resolved
GlyphosateMonitoring
12 violations
All resolved
CarbofuranMonitoring
12 violations
All resolved
DICHLOROMETHANEMonitoring
12 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
12 violations
All resolved
DiquatMonitoring
12 violations
All resolved
Carbon tetrachlorideMonitoring
12 violations
All resolved
Lead and Copper RuleMonitoring

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

9 violations
Has active
Public NoticeMonitoring
4 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

4 violations
All resolved
Gross Alpha, Excl. Radon and UMonitoring
2 violations
All resolved
Combined Radium (-226 and -228)Monitoring
2 violations
All resolved
Gross Beta Particle ActivityMonitoring
2 violations
All resolved
Combined UraniumMonitoring
2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
2 violations
All resolved
TTHMMonitoring
2 violations
All resolved
E. COLIMonitoring
1 violation
Has active
Nitrate-NitriteMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0.55 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Norman (74851) has more violations than 100% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 1,278.

Fewer violations 100th 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 →

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) 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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