WaterVerge

Stephens Water Quality Report

4 cities ranked · Average grade: C · Oklahoma

Avg Score
64.5
Cities Ranked
4
Health Violations
4
PFAS Detected
2
Live Water Alerts for Oklahoma →
64.5
County avg score
4
Cities ranked
50%
A or B grade
50%
D or F grade
4
Health violations
2
PFAS detected

How Stephens cities scored

50%
50%
A
0
0%
Excellent
B
2
50%
Good
C
0
0%
Fair
D
2
50%
Poor
F
0
0%
Failing

County vs Oklahoma average

C
Stephens
64.5/100
C
Oklahoma avg
61.3/100
▲ 3.2 pts above state average

Water quality across Stephens

Each dot is a city, colored by grade. Click any city to view its full report.

Oklahoma city water quality map
0.0%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities

Top industrial polluters in Stephens

Industrial polluters nearby

Facilities reporting the most surface-water releases in Stephens, 2023.

FacilityTop chemicalTo surface water (lbs/yr)
FLOTEK CHEMISTRY LLC
Chemicals · FLOTEK
MARLOW, OK73055
VELMA GAS PLANT
Natural Gas Processing · TARGA RESOURCES CORP
VELMA, OK73491
HALLIBURTON MANUFACTURING & LEASING CO LLC
Machinery · HALLIBURTON ENERGY SERVICES INC
DUNCAN, OK73536
DCP MIDSTREAM LP/SHOLEM GAS PLANT
Natural Gas Processing · PHILLIPS 66 CO
DUNCAN, OK73533
DUNCAN #2 BATCH PLANT
Nonmetallic Mineral Product · DOLESE BROS CO
DUNCAN, OK73533

+ 2 more facilities

Source: EPA Toxic Release Inventory (TRI) 2023

All 4 cities in Stephens

# City Grade Score Score Population Violations Issues
1 Velma
B+
82.5
960 17 Health Unresolved
2 Marlow
B
76.5
11K 30 Health Unresolved
3 Duncan
D+
50.2
23K 167 Health Unresolved
4 Comanche
D
49
3K 148 Health Unresolved
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