Water Quality in Bloomington, MN (55420)
EPA violation data for public water systems serving ZIP code 55420.
186
Total Violations
0
Health-Based
186
Monitoring / Reporting
186
Resolved
What does this mean?
186 of 186 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 186 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (186 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| E. COLI | Monitoring | 0 | N/A | Oct 2, 2024 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 2, 2024 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 2, 2024 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 2, 2024 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2024(4)
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
2023(180)
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Benzene
03
Benzene
03
Benzene
03
Benzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
Toluene
03
Toluene
03
Toluene
03
Toluene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
CHLOROBENZENE
03
p-Dichlorobenzene
03
CHLOROBENZENE
03
CHLOROBENZENE
03
p-Dichlorobenzene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
CHLOROBENZENE
03
Xylenes, Total
03
Xylenes, Total
03
Xylenes, Total
03
Styrene
03
Styrene
03
Styrene
03
Styrene
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
Tetrachloroethylene
03
Xylenes, Total
03
Revised Total Coliform Rule
4C
Revised Total Coliform Rule
4C
Revised Total Coliform Rule
4C
Revised Total Coliform Rule
4C
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Styrene
03
Styrene
03
Styrene
03
Styrene
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
Xylenes, Total
03
Xylenes, Total
03
Xylenes, Total
03
Xylenes, Total
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
Toluene
03
Toluene
03
Toluene
03
Toluene
03
Benzene
03
Benzene
03
Benzene
03
Benzene
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
How Does This Compare?
Bloomington (55420) has 186 recorded violations, none of which are health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.