EAST BOULDER COUNTY WD
Colorado — Community Water System — PWSID: CO0107236
System Information
| PWSID | CO0107236 |
| System Name | EAST BOULDER COUNTY WD |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 16, 2002 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Colorado |
| City | BOULDER |
| ZIP Code | 80303 |
| Address | — |
| Organization | LAVENUE, MARSH |
| Phone | 303-554-0031 |
Population & Service
| Population Served | 300 |
| Service Connections | 149 |
Drinking Water Violations (14)
This water system has 14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 11, 2025 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Sep 15, 2025 | Revised Total Coliform Rule |
| Jun 11, 2025 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Sep 15, 2025 | Revised Total Coliform Rule |
| Jun 11, 2025 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Sep 15, 2025 | Revised Total Coliform Rule |
| Jan 1, 2024 | Mar 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Mar 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Mar 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Mar 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Mar 31, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Mar 31, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2015 | Dec 31, 2015 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2015 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2015 | Dec 31, 2015 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2015 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2015 | Dec 31, 2015 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2015 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| May 1, 2010 | May 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2010 | Total Coliform Rule |
| Apr 1, 2010 | Jun 30, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2010 | Stage 1 Disinfectants and Disinfection Byproducts 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.