GREYBULL, TOWN OF
PWS ID: WY5600022 · GREYBULL, Wyoming 82426
Population Served
3,260
Total Violations
93
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,325
- County
- Big Horn
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 86
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 5 | 2000 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2022 |
| Combined Uranium | MR | 4 | 2022 |
| Radium-228 | MR | 4 | 2022 |
| Radium-226 | MR | 4 | 2022 |
| Nitrate | MR | 4 | 1996 |
| Endrin | MR | 2 | 2017 |
| BHC-GAMMA | MR | 2 | 2017 |
| Methoxychlor | MR | 2 | 2017 |
| Toxaphene | MR | 2 | 2017 |
| Diquat | MR | 2 | 2017 |
| Di(2-ethylhexyl) adipate | MR | 2 | 2017 |
| Di(2-ethylhexyl) phthalate | MR | 2 | 2017 |
| Atrazine | MR | 2 | 2017 |
| Heptachlor | MR | 2 | 2017 |
| Heptachlor epoxide | MR | 2 | 2017 |
| 2,4-D | MR | 2 | 2017 |
| HEXACHLOROBENZENE | MR | 2 | 2017 |
| Benzo(a)pyrene | MR | 2 | 2017 |
| Pentachlorophenol | MR | 2 | 2017 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 2 | 2017 |
| Chlordane | MR | 2 | 2017 |
| Dalapon | MR | 2 | 2017 |
| Endothall | MR | 2 | 2017 |
| Picloram | MR | 2 | 2017 |
| Dinoseb | MR | 2 | 2017 |
| Hexachlorocyclopentadiene | MR | 2 | 2017 |
| Carbofuran | MR | 2 | 2017 |
| 2,4,5-TP | MR | 2 | 2017 |
| ETHYLENE DIBROMIDE | MR | 2 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.