HARMONY GRADE SCHOOL
PWS ID: WA5331355 · Deming, Washington 98244
Population Served
325
Total Violations
44
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Whatcom
- School/Daycare
- Yes
- MCL Violations
- 11
- Monitoring Violations
- 29
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 11 | 1996 |
| Coliform (TCR) | MR | 9 | 2005 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2020 |
| TTHM | MR | 5 | 2020 |
| Lead and Copper Rule | MR | 2 | 2020 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 2002 |
| Dinoseb | MR | 1 | 2014 |
| Nitrate | MR | 1 | 2022 |
| Picloram | MR | 1 | 2014 |
| Pentachlorophenol | MR | 1 | 2014 |
| Dalapon | MR | 1 | 2014 |
| 2,4,5-TP | MR | 1 | 2014 |
| ETHYLENE DIBROMIDE | MR | 1 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.