KNOB CREEK WATER SYSTEM
PWS ID: NC0188120 · CARY, North Carolina 27511
Population Served
445
Total Violations
96
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 175
- County
- Transylvania
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 46
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 22 | 2025 |
| Di(2-ethylhexyl) phthalate | MR | 18 | 2007 |
| Nitrate | MR | 14 | 2002 |
| Public Notice | Other | 6 | 2007 |
| Coliform (TCR) | MCL | 4 | 1994 |
| Fluoride | MR | 2 | 1980 |
| Chromium | MR | 2 | 1980 |
| Arsenic | MR | 2 | 1980 |
| Mercury | MR | 2 | 1980 |
| Cadmium | MR | 2 | 1980 |
| Selenium | MR | 2 | 1980 |
| Barium | MR | 2 | 1980 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.