Water Quality in GRIGGSVILLE, IL (62340)
EPA violation data for public water systems serving ZIP code 62340.
17
Total Violations
0
Health-Based
17
Monitoring / Reporting
16
Resolved
What does this mean?
16 of 17 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 17 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 (17 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Active | 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 |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(3)
Consumer Confidence Rule
72
Nitrate
03
Nitrate
03
2024(14)
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
TTHM
27
TTHM
27
TTHM
27
TTHM
27
TTHM
27
TTHM
27
TTHM
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
How Does This Compare?
GRIGGSVILLE (62340) has 17 recorded violations, none of which are health-based. 1 remains 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
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.