Riverside Water Quality Report
29 cities ranked · Average grade: B- · California
Avg Score
73.8
Cities Ranked
29
Health Violations
27
PFAS Detected
14
73.8
County avg score
29
Cities ranked
66%
A or B grade
21%
D or F grade
27
Health violations
14
PFAS detected
Grade Distribution
How Riverside cities scored
A
10
34%
Excellent
B
9
31%
Good
C
4
14%
Fair
D
3
10%
Poor
F
3
10%
Failing
Comparison
County vs California average
▼ 2.7 pts below state average
City Map
Water quality across Riverside
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Riverside
County context
3
Superfund sites in Riverside
26
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Riverside
Industrial polluters nearby
Facilities reporting the most surface-water releases in Riverside, 2023.
Total reported releases to surface water: 26 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
US BATTERY MFG CO CORONA, CA92879 | Lead And Lead Compounds | 12 |
CENTRAL WIRE PERRIS, CA92570 | Copper | 10 |
MCCROMETER HEMET, CA92545 | Nickel | 4 |
3M CO - CORONA CORONA, CA92881 | — | — |
VULCAN MATERIALS CO CORONA CORONA, CA92879 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Riverside
Superfund sites nearby
Federally tracked hazardous-waste sites within Riverside on the EPA National Priorities List.
- ALARK HARD CHROME
- MARCH AIR FORCE BASE
- STRINGFELLOW
Source: EPA Superfund National Priorities List
Full Rankings
All 29 cities in Riverside
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Bermuda Dunes | A+ | 98.2 | 9K | 1 | ||
| 2 | Temescal Valley | A | 93.9 | 22K | 9 | Health Unresolved | |
| 3 | Lake Elsinore | A | 93.4 | 169K | 12 | Health | |
| 4 | Perris | A | 92.6 | 667K | 3 | ||
| 5 | Desert Hot Springs | A | 91.5 | 44K | 15 | Health Unresolved | |
| 6 | Cabazon | A- | 89.8 | 2K | 33 | Health Unresolved | |
| 7 | Moreno Valley | A- | 88.3 | 3K | 9 | Health Unresolved | |
| 8 | Chiriaco Summit | A- | 87.4 | 544 | 22 | Health Unresolved | |
| 9 | Beaumont | A- | 86.1 | 67K | 4 | Health Unresolved | |
| 10 | Wildomar | A- | 86 | 4K | 15 | Health PFAS Unresolved | |
| 11 | Mountain Center | B+ | 84 | 551 | 102 | Health Unresolved | |
| 12 | Nuevo | B+ | 82.5 | 7K | 9 | Health PFAS Unresolved | |
| 13 | Palm Springs | B | 79.8 | 75K | 95 | Health Unresolved | |
| 14 | Idyllwild | B | 79.2 | 6K | 59 | Health Unresolved | |
| 15 | Jurupa Valley | B | 78.9 | 178K | 86 | Health Unresolved | |
| 16 | Calimesa | B | 78.3 | 12K | 73 | Health Unresolved | |
| 17 | San Jacinto | B | 76.2 | 22K | 127 | Health Unresolved | |
| 18 | Banning | B- | 74.5 | 49K | 109 | Health Unresolved | |
| 19 | Hemet | B- | 73.2 | 89K | 107 | Health Unresolved | |
| 20 | Palm Desert | C+ | 66 | 275K | 80 | Health Unresolved | |
| 21 | Temecula | C+ | 65.3 | 176K | 184 | Health PFAS Unresolved | |
| 22 | Riverside | C | 63.5 | 402K | 47 | Health PFAS Unresolved | |
| 23 | Coachella | C- | 55.2 | 44K | 25 | Health Unresolved | |
| 24 | Corona | D | 49.3 | 175K | 218 | Health Unresolved | |
| 25 | Blythe | D | 48.9 | 16K | 246 | Health Unresolved | |
| 26 | Thermal | D | 48 | 3K | 1172 | Health Unresolved | |
| 27 | Indio | F | 44.8 | 86K | 290 | Health Unresolved | |
| 28 | Norco | F | 43.1 | 29K | 107 | Health PFAS Unresolved | |
| 29 | Anza | F | 43 | 961 | 388 | Health Unresolved |