CORNERSTONE PRESBYTERIAN CHURCH
PWS ID: CO0218036 · CASTLE ROCK, Colorado 80109
Population Served
130
Total Violations
140
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Douglas
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 128
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 15 | 2006 |
| Chlorine | MR | 12 | 2005 |
| Dalapon | MR | 6 | 2002 |
| Coliform (TCR) | MCL | 4 | 2006 |
| Public Notice | Other | 4 | 2019 |
| 1,1,1-Trichloroethane | MR | 3 | 1999 |
| 1,2-Dichloroethane | MR | 3 | 1999 |
| cis-1,2-Dichloroethylene | MR | 3 | 1999 |
| CHLOROBENZENE | MR | 3 | 1999 |
| o-Dichlorobenzene | MR | 3 | 1999 |
| Styrene | MR | 3 | 1999 |
| Tetrachloroethylene | MR | 3 | 1999 |
| trans-1,2-Dichloroethylene | MR | 3 | 1999 |
| Trichloroethylene | MR | 3 | 1999 |
| Vinyl chloride | MR | 3 | 1999 |
| Xylenes, Total | MR | 3 | 1999 |
| 2,4-D | MR | 3 | 1999 |
| 2,4,5-TP | MR | 3 | 1999 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 3 | 1999 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 1999 |
| Nitrate | MR | 3 | 2005 |
| Simazine | MR | 3 | 1999 |
| Di(2-ethylhexyl) adipate | MR | 3 | 1999 |
| DICHLOROMETHANE | MR | 3 | 1999 |
| TTHM | MR | 3 | 2005 |
| 1,2,4-Trichlorobenzene | MR | 3 | 1999 |
| Chlordane | MR | 3 | 1999 |
| Methoxychlor | MR | 3 | 1999 |
| Toluene | MR | 3 | 1999 |
| 1,1,2-Trichloroethane | MR | 3 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.