CITY OF ROUND ROCK
Texas — Community Water System — PWSID: TX2460003
System Information
| PWSID | TX2460003 |
| System Name | CITY OF ROUND ROCK |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Mar 14, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | ROUND ROCK |
| ZIP Code | 78664-5271 |
| Address | 221 E MAIN ST |
| Organization | MORGAN, CRAIG |
| Phone | 512-218-5410 |
Population & Service
| Population Served | 130,662 |
| Service Connections | 37,492 |
Drinking Water Violations (16)
This water system has 16 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2011 | Sep 30, 2011 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2011 | — | |
| Dec 1, 2004 | Dec 31, 2004 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2004 | — | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2003 | — | |
| Jan 1, 2003 | Mar 31, 2003 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | — | Resolved | Mar 31, 2003 | — | |
| Jan 1, 2003 | Mar 31, 2003 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | — | Resolved | Mar 31, 2003 | — | |
| Jan 1, 2003 | Mar 31, 2003 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | — | Resolved | Mar 31, 2003 | — | |
| Jan 1, 2003 | Mar 31, 2003 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | — | Resolved | Mar 31, 2003 | — | |
| Jan 1, 2003 | Mar 31, 2003 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | — | Resolved | Mar 31, 2003 | — | |
| Jan 1, 2003 | Mar 31, 2003 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | — | Resolved | Mar 31, 2003 | — | |
| Oct 1, 2002 | Dec 31, 2002 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Oct 1, 2002 | Dec 31, 2002 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Oct 1, 2002 | Dec 31, 2002 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Oct 1, 2002 | Dec 31, 2002 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Oct 1, 2002 | Dec 31, 2002 | MCL | Yes | No | .064 MG/L | 0.060 mg/L | — | Resolved | Dec 31, 2002 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.