Water Quality in Norman, OK (73071)
EPA violation data for public water systems serving ZIP code 73071.
Active Health Violations
7 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 99% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
43,798
Population
41
Water Systems
248
Violations (5yr)
7
Health-Based
Location
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Water Systems Serving This Area (41)
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) ✓
Washington Elementary School
All resolved Groundwater 600 people served
4 violations (5yr)
· All resolved
Lead tested: 7.8 ppb (limit: 15 ppb) ✓
Hallpark Utilities
Groundwater 577 people served
0 violations
Little River State Park Clear Bay
Groundwater 500 people served
0 violations
Lake Thunderbird Sp Alameda St
Groundwater 500 people served
0 violations
Little River Sp
Groundwater 500 people served
0 violations
Little River State Park Ip Office
Groundwater 500 people served
0 violations
Pauls Valley St School
Purchased surface water 400 people served
0 violations
Lakeview Elementary School
All resolved Groundwater 250 people served
4 violations (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Little Axe Community Center
All resolved Groundwater 125 people served
1 violation (5yr)
· All resolved
Freedom Farms
1 health-based Groundwater 85 people served
117 violations (5yr)
· 1 health-based
Lead tested: 0 ppb (limit: 15 ppb) ✓
J D Mccarty Center
Purchased surface water 80 people served
0 violations
Country Club Academy
Groundwater 60 people served
0 violations
Hollywood Grocery
Groundwater 50 people served
0 violations
Country Corner
All resolved Groundwater 26 people served
14 violations (5yr)
· All resolved
3 Bells Buds
1 health-based Groundwater 26 people served
8 violations (5yr)
· 1 health-based · All resolved
Groundwater 26 people served
0 violations
Family Affair Day Care
Groundwater 25 people served
0 violations
Falls School
Groundwater 25 people served
0 violations
Midway Cafe
Groundwater 25 people served
0 violations
Learning Tree Day Care Center
Groundwater 25 people served
0 violations
Miller Trailer Park
Groundwater 25 people served
0 violations
Little River State Park
Groundwater 25 people served
0 violations
Kiwanis Youth Camp
Groundwater 24 people served
0 violations
B&B Country Store Inc
All resolved Groundwater 24 people served
1 violation (5yr)
· All resolved
Thunderbird Day Care Center
Groundwater 20 people served
0 violations
Small World Child Care
Groundwater 20 people served
0 violations
Calvary Tabernacle
Groundwater 20 people served
0 violations
Boogie Hill
Groundwater 20 people served
0 violations
Freewill Baptist Church
Groundwater 20 people served
0 violations
Thunderbird Cafe
Groundwater 20 people served
0 violations
Cassandra Jones Day Care
Groundwater 12 people served
0 violations
Sonnys Quickstop
Groundwater 10 people served
0 violations
Small Talk Day Care
Groundwater 10 people served
0 violations
Bennett Christian School
Groundwater 10 people served
0 violations
Headstart Daycare
Groundwater 10 people served
0 violations
Thunderbird Scout Troop
Groundwater 6 people served
0 violations
Pizza World
Groundwater 3 people served
0 violations
Thunderbird Grocery
Groundwater 3 people served
0 violations
Contaminants Found
LEAD AND COPPER RULE REVISIONSHealth-Based
6 violations
Has active
ArsenicHealth-Based
A naturally occurring element that can cause cancer and other health effects at high levels.
3 violations
All resolved
Nitrate-NitriteHealth-Based
3 violations
All resolved
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
28 violations
All resolved
TetrachloroethyleneMonitoring
6 violations
All resolved
EthylbenzeneMonitoring
6 violations
All resolved
1,1,2-TrichloroethaneMonitoring
6 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
6 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
6 violations
All resolved
DICHLOROMETHANEMonitoring
6 violations
All resolved
BenzeneMonitoring
6 violations
All resolved
Xylenes, TotalMonitoring
6 violations
All resolved
TrichloroethyleneMonitoring
6 violations
All resolved
p-DichlorobenzeneMonitoring
6 violations
All resolved
1,1-DichloroethyleneMonitoring
6 violations
All resolved
TolueneMonitoring
6 violations
All resolved
Vinyl chlorideMonitoring
6 violations
All resolved
Carbon tetrachlorideMonitoring
6 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
6 violations
All resolved
1,1,1-TrichloroethaneMonitoring
6 violations
All resolved
CHLOROBENZENEMonitoring
6 violations
All resolved
o-DichlorobenzeneMonitoring
6 violations
All resolved
1,2-DichloropropaneMonitoring
6 violations
All resolved
StyreneMonitoring
6 violations
All resolved
1,2-DichloroethaneMonitoring
6 violations
All resolved
DiquatMonitoring
4 violations
All resolved
EndothallMonitoring
4 violations
All resolved
AtrazineMonitoring
2 violations
All resolved
LASSOMonitoring
2 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
2 violations
All resolved
2,4-DMonitoring
2 violations
All resolved
MethoxychlorMonitoring
2 violations
All resolved
Combined UraniumMonitoring
2 violations
All resolved
2,4,5-TPMonitoring
2 violations
All resolved
Benzo(a)pyreneMonitoring
2 violations
All resolved
PentachlorophenolMonitoring
2 violations
All resolved
EndrinMonitoring
2 violations
All resolved
CarbofuranMonitoring
2 violations
All resolved
HexachlorocyclopentadieneMonitoring
2 violations
All resolved
DinosebMonitoring
2 violations
All resolved
DalaponMonitoring
2 violations
All resolved
Gross Alpha, Excl. Radon and UMonitoring
2 violations
All resolved
OXAMYLMonitoring
2 violations
All resolved
ETHYLENE DIBROMIDEMonitoring
2 violations
All resolved
ToxapheneMonitoring
2 violations
All resolved
GlyphosateMonitoring
2 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
2 violations
All resolved
SimazineMonitoring
2 violations
All resolved
Combined Radium (-226 and -228)Monitoring
2 violations
All resolved
Gross Beta Particle ActivityMonitoring
2 violations
All resolved
Total Polychlorinated Biphenyls (PCB)Monitoring
2 violations
All resolved
ChlordaneMonitoring
2 violations
All resolved
HEXACHLOROBENZENEMonitoring
2 violations
All resolved
BHC-GAMMAMonitoring
2 violations
All resolved
1,2-DIBROMO-3-CHLOROPROPANEMonitoring
2 violations
All resolved
Heptachlor epoxideMonitoring
2 violations
All resolved
HeptachlorMonitoring
2 violations
All resolved
PicloramMonitoring
2 violations
All resolved
TTHMMonitoring
2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
2 violations
All resolved
ChlorineMonitoring
Used to disinfect water — generally safe at regulated levels.
2 violations
All resolved
E. COLIMonitoring
2 violations
Has active
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit0.55 ppb measured
Action level: 15 ppb
Sampled: Jan 2025
How Does This Compare?
Norman (73071) has more violations than 99% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 248.
Fewer violations 99th 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
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.