Stillwater, OK 74074

1 water system46 residents

Severe water quality issues - filtration essential

F

Score: 14/100

Graded on EPA violations, contaminants, severity, compliance, and enforcement history. See methodology.

Data updated June 2026 • Sources: EPA ECHO and EPA Envirofacts

31

Contaminants Detected

265

Violations on Record

14

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count0 / 25
Violation History0 / 25
Contaminant Severity8 / 25
System Compliance0 / 15
Enforcement History0 / 10
Total Score14%

14 / 100 points

Recommended Water Filters

  • Point-of-Use Carbon Filter (NSF-certified for lead)
  • Reverse Osmosis or Ion Exchange Filter
  • Ultraviolet (UV) Purification
  • Whole Home Carbon Filter System
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Stillwater vs OK & National Average

Detected Contaminants

31 contaminants detected across water systems serving this ZIP code

ContaminantCategory
NitrateAgricultural
Nitrate-NitriteAgricultural
LEAD AND COPPER RULE REVISIONSHeavy Metal
Coliform (TCR)Microorganism
E. COLIMicroorganism
1,1,1-TrichloroethaneOther
1,1,2-TrichloroethaneOther
1,2-DichloropropaneOther
Consumer Confidence RuleOther
DICHLOROMETHANEOther
Combined Radium (-226 and -228)Radiological
Combined UraniumRadiological
Gross Alpha, Excl. Radon and URadiological
Gross Beta Particle ActivityRadiological
1,1-DichloroethyleneVolatile Organic
1,2-DichloroethaneVolatile Organic
1,2,4-TrichlorobenzeneVolatile Organic
BenzeneVolatile Organic
Carbon tetrachlorideVolatile Organic
CHLOROBENZENEVolatile Organic
cis-1,2-DichloroethyleneVolatile Organic
EthylbenzeneVolatile Organic
o-DichlorobenzeneVolatile Organic
p-DichlorobenzeneVolatile Organic
StyreneVolatile Organic
TetrachloroethyleneVolatile Organic
TolueneVolatile Organic
trans-1,2-DichloroethyleneVolatile Organic
TrichloroethyleneVolatile Organic
Vinyl chlorideVolatile Organic
Xylenes, TotalVolatile Organic

Water System Information

Systems Serving This ZIP:
RED WAGON MHP
Population Served:
46
Systems With Violations:
1 of 1
Major Violations:
189
Enforcement Actions:
264

Frequently Asked Questions

What does the grade mean?

Our A–F grade ranks this ZIP code's water quality against every other analyzed ZIP in the country, based on EPA data. A = among the best, F = among the most troubled.

Is my tap water safe to drink?

Water systems regulated by the EPA must comply with Safe Drinking Water Act standards. However, if you're concerned about water quality, consider a water filter appropriate for your contaminants.

How often is the data updated?

We update our data quarterly with the latest EPA ECHO and Envirofacts data. Historical violations are tracked to identify patterns.

What filters do you recommend?

Filter recommendations are based on detected contaminants in your area. See our Filter Guide for detailed information about different filter types.