PATTERSON VALLEY WC EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system CO0145540. It does not test household tap water or determine whether water is currently safe to drink.

F

Frequent health-based records

TapScore compliance-history grade

33 EPA violation records from July 1, 2021 through June 30, 2026

28 classified as health-based

System details

PWSID
CO0145540
Population served
96
Water source
Ground Water
Owner type
Private
State
Colorado
EPA region
8
All historical records
81
Not marked resolved
63

How to read this grade

Grade F means “Frequent health-based records” under TapScore's published method. It is a comparison of recent EPA compliance records, not an EPA grade, laboratory result, health recommendation, or guarantee of present water quality.

EPA contaminant categories in violation records

EPA categoryClassificationRecords
Gross AlphaHealth-based record33
Radium-226Health-based record31
Public NoticeMonitoring/reporting record5
CadmiumMonitoring/reporting record1
BerylliumMonitoring/reporting record1
Beryllium, TotalMonitoring/reporting record1
Thallium, TotalMonitoring/reporting record1
ThalliumMonitoring/reporting record1
UraniumMonitoring/reporting record1
Lead and Copper RuleMonitoring/reporting record1
NitrateMonitoring/reporting record1
NickelMonitoring/reporting record1
Coliform (TCR)Health-based record1
Total ColiformMonitoring/reporting record1

These are compliance records associated with an EPA contaminant code, not current tap-water test results or proof that a substance is presently detected.

Violation history by year

2026
2
2025
8
2024
8
2023
3
2022
8
2021
7
2020
9
2019
9
2018
11
2017
2

Historical counts may include resolved records. For current notices and local sampling results, check the utility's latest Consumer Confidence Report and your state drinking-water agency.

Reported service area

Cities served

ZIP codes served

County: Otero