Population Served
286.2K
Service Connections
79.1K
Total Violations
20
Health-Based Violations
0
Lead & Copper Data
Lead Level
Caution3.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2020-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Purchased Surface Water
- System Type
- Community Water System
- City
- COLUMBIA
- ZIP Code
- 21045
- Counties Served
- Howard
- Cities Served
- Columbia
- Open Violations
- 0
- State
- Maryland
Violation Summary
20
Total Violations
0
Health-Based
0
Open Now
Most recent violation: 2022-07-01
Explore Maryland Water Quality
See all water systems, lead data, and violation trends for Maryland.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: MD0130002.SafeWater Home