MAYFIELD RV PARK
PWS ID: WA5311154 · Sammamish, Washington 98074
Population Served
165
Total Violations
388
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 28
- County
- Lewis
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 376
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 17 | 2012 |
| Pentachlorophenol | MR | 16 | 2006 |
| Benzo(a)pyrene | MR | 8 | 2006 |
| Aldicarb sulfone | MR | 8 | 2006 |
| Dalapon | MR | 8 | 2006 |
| Endrin | MR | 8 | 2006 |
| Picloram | MR | 8 | 2006 |
| HEXACHLOROBENZENE | MR | 8 | 2006 |
| Methoxychlor | MR | 8 | 2006 |
| Di(2-ethylhexyl) phthalate | MR | 8 | 2006 |
| Heptachlor | MR | 8 | 2006 |
| LASSO | MR | 8 | 2006 |
| Atrazine | MR | 8 | 2006 |
| OXAMYL | MR | 8 | 2006 |
| Simazine | MR | 8 | 2006 |
| Aldicarb | MR | 8 | 2006 |
| Heptachlor epoxide | MR | 8 | 2006 |
| Hexachlorocyclopentadiene | MR | 8 | 2006 |
| Chlordane | MR | 8 | 2006 |
| Carbofuran | MR | 8 | 2006 |
| Aldicarb sulfoxide | MR | 8 | 2006 |
| Dinoseb | MR | 8 | 2006 |
| Toxaphene | MR | 8 | 2006 |
| Di(2-ethylhexyl) adipate | MR | 8 | 2006 |
| 2,4,5-TP | MR | 8 | 2006 |
| BHC-GAMMA | MR | 8 | 2006 |
| cis-1,2-Dichloroethylene | MR | 6 | 2006 |
| o-Dichlorobenzene | MR | 6 | 2006 |
| p-Dichlorobenzene | MR | 6 | 2006 |
| trans-1,2-Dichloroethylene | MR | 6 | 2006 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.