COBBLESTONE MHP Water Quality Report
Population
100
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 24
violations recorded
C
Fair
Safety Grade
24 violations in the past 5 years, including 3 health-based
System Details
- PWSID
- OR4100517
- Population Served
- 100
- Water Source
- Surface Water
- Owner
- Private
- State
- Oregon
- EPA Region
- 10
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 4 |
| Contaminant 5000 | ✕ Health-Based | 17 |
| Fluoride | ⚠ Monitoring/Reporting | 2 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 8 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 4 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 4 |
Violation History
2023
7
2022
11
2021
6
2019
2
2012
1
2011
1
2010
1
2004
2
2003
2
2000
1
Total violations on record: 39
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: Fluoride
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: Fluoride
How does this compare?
This systemNational average
Grade C
Avg: B-C
39violations total
139% of national average
National avg: ~28 per system
🏘️ Small community water system.