DEL DIOS MUTUAL WATER COMPANY Water Quality Report

Population

330

people served

Water Source

🌊 Surface

rivers, lakes, reservoirs

National Rank

Top 54%

of 49,184 US systems

5-Year Record

⚠️ 1

violation recorded

B

Good

Safety Grade

1 violation in the past 5 years, including 1 health-based

System Details

PWSID
CA3700866
Population Served
330
Water Source
Surface Water
Owner
Private
State
California
EPA Region
9

Contaminants of Concern

ContaminantStatusViolations
Total Trihalomethanes (TTHMs) Health-Based1
Nitrate Monitoring/Reporting1
Contaminant 5000 Monitoring/Reporting3
Contaminant 7000 Monitoring/Reporting1

Violation History

2024
1
2020
2
2018
1
2017
1
1993
1

Total violations on record: 6

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: Nitrate

$150–$400

Activated Carbon Filter

Effective for chlorine, THMs, pesticides, and taste/odor improvement

Removes: Total Trihalomethanes (TTHMs)

$20–$100

How does this compare?

This systemNational average
Grade B
Avg: B-C
6violations total

21% of national average

National avg: ~28 per system

🏘️ Small community water system.