MILLBROOK COLONY
South Dakota — Community Water System — PWSID: SD4602010
System Information
| PWSID | SD4602010 |
| System Name | MILLBROOK COLONY |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 30, 1990 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | MITCHELL |
| ZIP Code | 573017828 |
| Address | DAVID WALDNER |
| Organization | — |
| Phone | 605-996-6639 |
Population & Service
| Population Served | 108 |
| Service Connections | 36 |
Drinking Water Violations (323)
This water system has 323 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 15, 1999 | Jun 14, 1999 | Other | No | No | — | 5% of samples | — | Archived | Jun 14, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 10 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Apr 30, 1999 | MR | No | No | — | 5% of samples | — | Archived | Apr 30, 1999 | — | |
| Apr 1, 1999 | Apr 30, 1999 | MR | No | No | — | 5% of samples | — | Archived | Apr 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.002 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.7 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.007 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 1 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.075 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.6 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Jun 30, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 0.2 mg/L | — | Archived | Jun 30, 1999 | — | |
| Mar 12, 1999 | Apr 11, 1999 | Other | No | No | — | 5% of samples | — | Archived | Apr 11, 1999 | — | |
| Feb 1, 1999 | Feb 28, 1999 | MCL | Yes | No | — | 5% of samples | — | Archived | Feb 28, 1999 | — | |
| Feb 1, 1999 | Feb 28, 1999 | MCL | Yes | No | — | 5% of samples | — | Archived | Feb 28, 1999 | — | |
| Feb 1, 1999 | Feb 28, 1999 | MR | No | No | — | 5% of samples | — | Archived | Feb 28, 1999 | — | |
| Feb 1, 1999 | Feb 28, 1999 | MR | No | No | — | 5% of samples | — | Archived | Feb 28, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.7 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.075 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 10 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.002 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 1 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.007 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.6 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.2 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Mar 31, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Mar 31, 1999 | — |
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.