WaterVerge

Richland Parish Water Quality Report

5 cities ranked · Average grade: B · Louisiana

Avg Score
75.7
Cities Ranked
5
Health Violations
5
PFAS Detected
2
Live Water Alerts for Louisiana →
75.7
County avg score
5
Cities ranked
80%
A or B grade
20%
D or F grade
5
Health violations
2
PFAS detected

How Richland Parish cities scored

40%
40%
20%
A
2
40%
Excellent
B
2
40%
Good
C
0
0%
Fair
D
0
0%
Poor
F
1
20%
Failing

County vs Louisiana average

B
Richland Parish
75.7/100
C+
Louisiana avg
65.5/100
▲ 10.2 pts above state average

Water quality across Richland Parish

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

Louisiana city water quality map
0.0%
of residents on fluoridated water (CDC, 2020)
255
lbs/yr to surface water · top 10 TRI facilities

Top industrial polluters in Richland Parish

Industrial polluters nearby

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

Total reported releases to surface water: 255 lbs

FacilityTop chemicalTo surface water (lbs/yr)
HYDRO EXTRUSION USA LLC
Primary Metals · HYDRO EXTRUSION USA LLC
DELHI, LA71232
Nitrate compounds (water dissociable; reportable only when in aqueous solution)255

Source: EPA Toxic Release Inventory (TRI) 2023

All 5 cities in Richland Parish

# City Grade Score Score Population Violations Issues
1 Archibald
A-
89.1
4K 16 Health Unresolved
2 Start
A-
85.5
3K 6 Health Unresolved
3 Mangham
B+
83.4
927 11 Health Unresolved
4 Delhi
B+
80
8K 66 Health Unresolved
5 Rayville
F
40.5
9K 306 Health Unresolved
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