Water Quality in GRANDFIELD, OK (73546)
EPA violation data for public water systems serving ZIP code 73546.
129
Total Violations
119
Health-Based
10
Monitoring / Reporting
129
Resolved
What does this mean?
129 of 129 violations have been resolved. 119 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 10 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 (129 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Nitrate-Nitrite | Health-Based | N/A | 12 | Jun 30, 2025 | Resolved | N/A |
| Nitrate-Nitrite | Health-Based | N/A | 12 | Jun 30, 2025 | Resolved | N/A |
| Nitrate-Nitrite | Health-Based | N/A | 12 | Jun 30, 2025 | Resolved | N/A |
| Nitrate-Nitrite | Health-Based | N/A | 12 | Jun 30, 2025 | Resolved | N/A |
| Nitrate-Nitrite | Health-Based | N/A | 12 | Mar 31, 2025 | Resolved | N/A |
| Nitrate-Nitrite | Health-Based | N/A | 12 | Mar 31, 2025 | Resolved | N/A |
| Nitrate-Nitrite | Health-Based | N/A | 12 | Mar 31, 2025 | Resolved | N/A |
| Nitrate-Nitrite | Health-Based | N/A | 12 | Mar 31, 2025 | Resolved | N/A |
| Nitrate-Nitrite | Health-Based | N/A | 14 | Dec 31, 2024 | Resolved | N/A |
| Nitrate-Nitrite | Health-Based | N/A | 14 | Dec 31, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(8)
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
2024(16)
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
Nitrate-Nitrite
01
How Does This Compare?
GRANDFIELD (73546) has 129 recorded violations, including 119 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.