Water Quality in ROCK ISLAND, IL (61299)
EPA violation data for public water systems serving ZIP code 61299.
9
Total Violations
0
Health-Based
9
Monitoring / Reporting
9
Resolved
What does this mean?
9 of 9 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 9 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 (9 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| TTHM | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
Violation Timeline
2025(9)
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Nitrate
03
Nitrate
03
Nitrate
03
TTHM
27
TTHM
27
TTHM
27
How Does This Compare?
ROCK ISLAND (61299) has 9 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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.