Water Quality in SALT LAKE,, UT (84121)
EPA violation data for public water systems serving ZIP code 84121.
39
Total Violations
7
Health-Based
32
Monitoring / Reporting
34
Resolved
What does this mean?
34 of 39 violations have been resolved. 7 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 32 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 (39 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 11, 2025 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2025 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Aug 16, 2025 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Jul 15, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jul 15, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
Violation Timeline
2025(11)
Revised Total Coliform Rule
4A
Revised Total Coliform Rule
3B
E. COLI
34
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
3B
E. COLI
34
E. COLI
34
E. COLI
34
2023(15)
E. COLI
19
E. COLI
19
E. COLI
19
E. COLI
19
E. COLI
19
E. COLI
19
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
E. COLI
19
E. COLI
19
E. COLI
19
E. COLI
19
E. COLI
19
E. COLI
19
How Does This Compare?
SALT LAKE, (84121) has 39 recorded violations, including 7 health-based. 5 remain unresolved. 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.