ZIP Code 73044
High RiskPFAS above EPA limits detected
1 compound exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.
12
PFAS Detected
1
Above EPA Limits
3
Water Systems
108%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 108% of limit
Detected: 4.30 ppt
GUTHRIE
OK1020903 ModerateWater Type
Surface Water
PFAS Detected
5
Above MCL
0
State
Oklahoma
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 12000.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 8.40ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 4.80ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 4.40ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.80ppt | No federal limit | — | Unregulated |
LOGAN CO RWD #1
OK2004207 High RiskWater Type
Groundwater
PFAS Detected
6
Above MCL
1
State
Oklahoma
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 4.30ppt | 108% of limit
| 4 ppt | ⚠ Exceeds MCL |
lithium | 17100.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 10.40ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 8.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 6.40ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 5.90ppt | No federal limit | — | Unregulated |
DEER CREEK RURAL WATER CORP
OK2005504 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Oklahoma
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 12000.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 73044 is served by 3 separate water utilities.
Results above show data for each system independently.
Data source: EPA Unregulated Contaminant Monitoring Rule, 5th cycle (UCMR 5) — January 2026 release.
UCMR 5 tested ~10,000 public water systems serving more than 25 people between 2023-2025 for 29 PFAS compounds.
Detection values represent the highest single-sample result measured at entry points to the distribution system.