GRAND COUNTY WATER NO 1 Water Quality Report
Population
5,400
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 94%
of 49,184 US systems
5-Year Record
⚠️ 121
violations recorded
Poor
Safety Grade
121 violations in the past 5 years, including 8 health-based
System Details
- PWSID
- CO0125323
- Population Served
- 5,400
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Colorado
- EPA Region
- 8
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 11 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 13 |
| Contaminant 0600 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 0800 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 0300 | ✕ Health-Based | 21 |
| Total Coliform | ⚠ Monitoring/Reporting | 3 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 8 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 8 |
| Contaminant 0700 | ✕ Health-Based | 4 |
| Contaminant 7500 | ⚠ Monitoring/Reporting | 12 |
| Contaminant 0200 | ⚠ Monitoring/Reporting | 18 |
| Contaminant 0999 | ⚠ Monitoring/Reporting | 10 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 10 |
| Arsenic | ⚠ Monitoring/Reporting | 6 |
| Barium | ⚠ Monitoring/Reporting | 6 |
| Cadmium | ⚠ Monitoring/Reporting | 6 |
| Chromium | ⚠ Monitoring/Reporting | 6 |
| Selenium | ⚠ Monitoring/Reporting | 6 |
| Contaminant 1036 | ⚠ Monitoring/Reporting | 6 |
| Contaminant 1052 | ⚠ Monitoring/Reporting | 6 |
| Beryllium | ⚠ Monitoring/Reporting | 6 |
| Contaminant 1075 | ⚠ Monitoring/Reporting | 6 |
| Contaminant 1085 | ⚠ Monitoring/Reporting | 6 |
| Thallium | ⚠ Monitoring/Reporting | 6 |
Violation History
Total violations on record: 186
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Reverse Osmosis System
Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates
Removes: Arsenic, Cadmium, Chromium, Selenium, Barium
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Water Distiller
Removes heavy metals, minerals, and most contaminants through evaporation
Removes: Arsenic, Cadmium
UV Water Purifier
Kills bacteria and viruses without chemicals
Removes: Total Coliform
How does this compare?
664% of national average
National avg: ~28 per system