TapScore

PAUMA VALLEY WATER COMPANY Water Quality Report

Population

185

people served

Water Source

🏔️ Ground

wells & aquifers

National Rank

—

of 49,184 US systems

5-Year Record

⚠️ 83

violations recorded

F

Unsafe

Safety Grade

83 violations in the past 5 years, including 111 health-based

System Details

PWSID
CA3700934
Population Served
185
Water Source
Ground Water
Owner
Private
State
California
EPA Region
9

Contaminants of Concern

ContaminantStatusViolations
Contaminant 5000⚠ Monitoring/Reporting2
Contaminant 7000⚠ Monitoring/Reporting3
Nitrite⚠ Monitoring/Reporting4
Nitrate✕ Health-Based62
Mercury⚠ Monitoring/Reporting2
Contaminant 1032⚠ Monitoring/Reporting2
Contaminant 1920⚠ Monitoring/Reporting2
Contaminant 1930⚠ Monitoring/Reporting2
Arsenic⚠ Monitoring/Reporting2
Chromium⚠ Monitoring/Reporting2
Contaminant 2251⚠ Monitoring/Reporting2
Contaminant 2990⚠ Monitoring/Reporting2
Contaminant 4109⚠ Monitoring/Reporting4
Uranium⚠ Monitoring/Reporting4
Contaminant 0300✕ Health-Based1
Thallium✕ Health-Based29
Contaminant 0800✕ Health-Based1
Haloacetic Acids (HAA5)✕ Health-Based20

Violation History

2025
3
2024
13
2023
41
2022
20
2021
6
2020
8
2018
6
2017
15
2016
28
2015
1

Total violations on record: 146

Service Area

Cities Served

PAUMA VALLEY

ZIP Codes Served

92061

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, Nitrate, Nitrite, Uranium, Chromium, Mercury

$150–$400

Activated Carbon Filter

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

Removes: Haloacetic Acids (HAA5)

$20–$100

Water Distiller

Removes heavy metals, minerals, and most contaminants through evaporation

Removes: Arsenic, Mercury

$80–$200

How does this compare?

This systemNational average
Grade F
Avg: B-C
146violations total

521% of national average

National avg: ~28 per system

🏘️ Small community water system.