LA COSTA WATER USERS ASSOC Water Quality Report
D
Poor
Safety Grade
18 violations in the past 5 years, including 4 health-based
System Details
- PWSID
- AZ0402041
- Population Served
- 30
- Water Source
- Ground Water
- Owner
- Municipality
- State
- Arizona
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 25 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 8000 | ✕ Health-Based | 3 |
| Contaminant 7500 | ⚠ Monitoring/Reporting | 2 |
| Total Coliform | ⚠ Monitoring/Reporting | 3 |
| Contaminant 0700 | ✕ Health-Based | 2 |
Violation History
2025
1
2024
1
2023
4
2022
7
2021
5
2020
2
2018
1
2015
2
2014
1
2012
2
Total violations on record: 40
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
UV Water Purifier
Kills bacteria and viruses without chemicals
Removes: Total Coliform