RIMROCK WATER COMPANY LLC
Wyoming — Community Water System — PWSID: SD4602220
System Information
| PWSID | SD4602220 |
| System Name | RIMROCK WATER COMPANY LLC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jun 13, 2002 |
| Last Reported | Dec 9, 2025 |
Location & Contact
| State | Wyoming |
| City | ALADDIN |
| ZIP Code | 82710 |
| Address | 189 STATE HWY 111 |
| Organization | RIMROCK WATER COMPANY LLC |
| Phone | 6058925640 |
Population & Service
| Population Served | 365 |
| Service Connections | 146 |
Drinking Water Violations (9)
This water system has 9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2022 | Dec 31, 2022 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2022 | Dec 31, 2022 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2022 | Sep 30, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2022 | Sep 30, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2022 | Sep 30, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2020 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | Aug 27, 2020 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2019 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | Mar 18, 2019 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2019 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | Mar 18, 2019 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2016 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 18, 2017 | Lead and Copper Rule |
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.