GRANDFIELD Water Quality Report
Population
1,110
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
—
of 49,184 US systems
5-Year Record
⚠️ 88
violations recorded
F
Unsafe
Safety Grade
88 violations in the past 5 years, including 262 health-based
System Details
- PWSID
- OK2007103
- Population Served
- 1,110
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Oklahoma
- EPA Region
- 6
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 3000 | ⚠ Monitoring/Reporting | 3 |
| Nitrate | ✕ Health-Based | 8 |
| Contaminant 3100 | ✕ Health-Based | 3 |
| Antimony | ✕ Health-Based | 141 |
| Total Trihalomethanes (TTHMs) | ✕ Health-Based | 124 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 0600 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 1052 | ⚠ Monitoring/Reporting | 2 |
Violation History
2025
3
2024
10
2023
32
2022
26
2021
17
2020
19
2019
21
2018
19
2017
20
2016
16
Total violations on record: 283
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Reverse Osmosis System
Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates
Removes: Nitrate
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs)
How does this compare?
This systemNational average
Grade F
Avg: B-C
283violations total
1011% of national average
National avg: ~28 per system
🏘️ Small community water system.