LONG HOLLOW WATER SYSTEM
South Dakota — Community Water System — PWSID: 084690457
System Information
| PWSID | 084690457 |
| System Name | LONG HOLLOW WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 4, 1980 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | South Dakota |
| City | AGENCY VILLAGE |
| ZIP Code | 57262 |
| Address | — |
| Organization | CLOUD, JOHN |
| Phone | 605-698-4211 |
Population & Service
| Population Served | 265 |
| Service Connections | 85 |
Drinking Water Violations (3)
This water system has 3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 1982 | Dec 31, 1985 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Archived | Dec 31, 1985 | Radionuclides and Revised Rad Rule |
| Aug 1, 1978 | Jul 31, 1980 | Chromium | MR | No | No | — | 0.1 mg/L | — | Archived | Jul 31, 1980 | Inorganic Chemicals |
| Aug 1, 1978 | Jul 31, 1980 | Mercury | MR | No | No | — | 0.002 mg/L | — | Archived | Jul 31, 1980 | Inorganic Chemicals |
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.