Water Quality in Miami, OK (74331)
EPA violation data for public water systems serving ZIP code 74331.
Active Health Violations
14 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 100% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
7,058
Population
71
Water Systems
550
Violations (5yr)
14
Health-Based
Location
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Water Systems Serving This Area (71)
Miami
All resolved Groundwater 13,704 people served
5 violations (5yr)
· All resolved
Lead tested: 2.1 ppb (limit: 15 ppb) ✓
Afton Pwa
4 health-based Surface water 1,428 people served
21 violations (5yr)
· 4 health-based · All resolved
Delaware Co Rwd #10
Groundwater 1,295 people served
5 violations (5yr)
Lead tested: 1.2 ppb (limit: 15 ppb) ✓
Bernice Pwa
Purchased surface water 504 people served
15 violations (5yr)
Lead tested: 1 ppb (limit: 15 ppb) ✓
Northeast Technology Center
Purchased groundwater 500 people served
0 violations
Delaware Co Rwd # 7
4 health-based Purchased surface water 400 people served
6 violations (5yr)
· 4 health-based · All resolved
Port Duncan Utilities Llc
Surface water 300 people served
0 violations
Shangri-La
Groundwater 175 people served
0 violations
Carriage Hills
1 health-based Groundwater 160 people served
5 violations (5yr)
· 1 health-based
Lead tested: 2.6 ppb (limit: 15 ppb) ✓
Leisure Shores Water System Assn, Inc
1 health-based Groundwater 150 people served
3 violations (5yr)
· 1 health-based · All resolved
Lead tested: 1.7 ppb (limit: 15 ppb) ✓
Cleora School
Groundwater 135 people served
0 violations
Crace Shores
Groundwater 125 people served
0 violations
Monkey Island East Bay
Surface water 120 people served
0 violations
East Bay Resort
Purchased surface water 120 people served
0 violations
Spinnaker Point Estates
All resolved Surface water 120 people served
5 violations (5yr)
· All resolved
White Chapel Homeowners Assn
Surface water 103 people served
0 violations
Indian Hills Resort
Purchased groundwater 100 people served
0 violations
Coves At Bird Island
1 health-based Purchased surface water 100 people served
9 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Coves At Bird Island
Groundwater 100 people served
0 violations
Tera Miranda
Purchased groundwater 90 people served
0 violations
Paradise Cove
Purchased surface water 80 people served
0 violations
Paradise Cove
Surface water 80 people served
0 violations
Oak Ridge Estates I & Ii Water Assoc.
3 health-based Groundwater 62 people served
447 violations (5yr)
· 3 health-based
Lead tested: 3.1 ppb (limit: 15 ppb) ✓
The Harbors
Purchased surface water 50 people served
0 violations
Sm Durette Water Co
Purchased surface water 50 people served
0 violations
Cafe 59
Groundwater 50 people served
0 violations
West Bay Property Assn
All resolved Groundwater 50 people served
2 violations (5yr)
· All resolved
Kropeez Rv Park
Purchased groundwater 50 people served
0 violations
Fishermans Paradise Ss
Groundwater 40 people served
0 violations
Your Place
Groundwater 40 people served
0 violations
Indian Hills Resort
Groundwater 27 people served
0 violations
The Doghouse
Groundwater 26 people served
0 violations
Monkey Island Flea Mkt & Pub
All resolved Groundwater 26 people served
21 violations (5yr)
· All resolved
Harding Harbors
Purchased surface water 25 people served
0 violations
Waterfresh Pea Ridge Iga
Purchased surface water 25 people served
0 violations
Heritage Point
Purchased surface water 25 people served
0 violations
Red Arrow Resort
Groundwater 25 people served
0 violations
Littlefield Country Corner
Groundwater 25 people served
0 violations
Cherokee Yacht Club Inc
Surface water 25 people served
0 violations
Indian Hills Resort
Groundwater 25 people served
0 violations
Waterfresh Fayetteville Iga Sg
Purchased surface water 25 people served
0 violations
B&E Resort
Surface water 25 people served
0 violations
Copeland Cafe
Groundwater 25 people served
0 violations
Kahoots
Groundwater 25 people served
0 violations
Waterfresh Fayetteville Iga Wg
Purchased surface water 25 people served
0 violations
Road House
Groundwater 25 people served
0 violations
Spats Inc
Groundwater 25 people served
0 violations
Bernice Point
Purchased groundwater 25 people served
0 violations
Horse Creek Resort #2 Rental
Groundwater 24 people served
0 violations
Quality Point
Groundwater 24 people served
0 violations
Green Acres Motel
Groundwater 24 people served
0 violations
Quality Groceries
Purchased groundwater 24 people served
0 violations
Fisherman'S Paradise
Groundwater 24 people served
0 violations
B&E Resort
Groundwater 24 people served
0 violations
Deer Valley C/O Wm. Wehmeyer
Groundwater 24 people served
0 violations
Sears Subdivision
Groundwater 24 people served
0 violations
Two Tree Island
Groundwater 24 people served
0 violations
Indian Hills Resort
Surface water 24 people served
0 violations
West Point Estates
Groundwater 24 people served
0 violations
Martin Landing
All resolved Groundwater 23 people served
1 violation (5yr)
· All resolved
Derrys
Groundwater 20 people served
0 violations
Emmas Family Care Room & Board
Groundwater 20 people served
0 violations
Bay West
Groundwater 20 people served
0 violations
Lostville Water Inc
Groundwater 20 people served
0 violations
Bay West Enterprises
Groundwater 20 people served
0 violations
Bay West
Groundwater 20 people served
0 violations
Emma'S Family Care Room & Bd
Groundwater 15 people served
0 violations
Island Park Condos
Groundwater 15 people served
0 violations
Grand Country Lakeside Rv & Mhp
All resolved Groundwater 12 people served
5 violations (5yr)
· All resolved
Pryors Horse Cr Resort #1
Groundwater 10 people served
0 violations
Johnson/Perkins
Groundwater 7 people served
0 violations
Contaminants Found
Total Haloacetic Acids (HAA5)Health-Based
13 violations
Has active
TTHMHealth-Based
11 violations
Has active
LEAD AND COPPER RULE REVISIONSHealth-Based
10 violations
Has active
Combined Radium (-226 and -228)Health-Based
9 violations
All resolved
Nitrate-NitriteHealth-Based
6 violations
All resolved
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
28 violations
All resolved
Public NoticeMonitoring
14 violations
Has active
Consumer Confidence RuleMonitoring
Annual water quality report delivery requirement.
12 violations
Has active
EndrinMonitoring
9 violations
All resolved
PentachlorophenolMonitoring
9 violations
All resolved
PicloramMonitoring
9 violations
All resolved
1,2-DIBROMO-3-CHLOROPROPANEMonitoring
9 violations
All resolved
HeptachlorMonitoring
9 violations
All resolved
Benzo(a)pyreneMonitoring
9 violations
All resolved
2,4,5-TPMonitoring
9 violations
All resolved
SimazineMonitoring
9 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
9 violations
All resolved
2,4-DMonitoring
9 violations
All resolved
LASSOMonitoring
9 violations
All resolved
BHC-GAMMAMonitoring
9 violations
All resolved
Heptachlor epoxideMonitoring
9 violations
All resolved
AtrazineMonitoring
9 violations
All resolved
Total Polychlorinated Biphenyls (PCB)Monitoring
9 violations
All resolved
GlyphosateMonitoring
9 violations
All resolved
CarbofuranMonitoring
9 violations
All resolved
DalaponMonitoring
9 violations
All resolved
HexachlorocyclopentadieneMonitoring
9 violations
All resolved
DinosebMonitoring
9 violations
All resolved
MethoxychlorMonitoring
9 violations
All resolved
EndothallMonitoring
9 violations
All resolved
ToxapheneMonitoring
9 violations
All resolved
ETHYLENE DIBROMIDEMonitoring
9 violations
All resolved
HEXACHLOROBENZENEMonitoring
9 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
9 violations
All resolved
DiquatMonitoring
9 violations
All resolved
OXAMYLMonitoring
9 violations
All resolved
ChlordaneMonitoring
9 violations
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
8 violations
All resolved
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
8 violations
Has active
ChlorineMonitoring
Used to disinfect water — generally safe at regulated levels.
7 violations
All resolved
Gross Beta Particle ActivityMonitoring
7 violations
All resolved
Combined UraniumMonitoring
7 violations
All resolved
Gross Alpha, Excl. Radon and UMonitoring
7 violations
All resolved
1,1,2-TrichloroethaneMonitoring
6 violations
All resolved
1,2-DichloroethaneMonitoring
6 violations
All resolved
Vinyl chlorideMonitoring
6 violations
All resolved
Carbon tetrachlorideMonitoring
6 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
6 violations
All resolved
CHLOROBENZENEMonitoring
6 violations
All resolved
o-DichlorobenzeneMonitoring
6 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
6 violations
All resolved
1,1,1-TrichloroethaneMonitoring
6 violations
All resolved
1,2-DichloropropaneMonitoring
6 violations
All resolved
BenzeneMonitoring
6 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
6 violations
All resolved
DICHLOROMETHANEMonitoring
6 violations
All resolved
TolueneMonitoring
6 violations
All resolved
1,1-DichloroethyleneMonitoring
6 violations
All resolved
Xylenes, TotalMonitoring
6 violations
All resolved
p-DichlorobenzeneMonitoring
6 violations
All resolved
EthylbenzeneMonitoring
6 violations
All resolved
TrichloroethyleneMonitoring
6 violations
All resolved
TetrachloroethyleneMonitoring
6 violations
All resolved
StyreneMonitoring
6 violations
All resolved
E. COLIMonitoring
2 violations
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit2.6 ppb measured
Action level: 15 ppb
Sampled: Jul 2025
How Does This Compare?
Miami (74331) has more violations than 100% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 550.
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
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.