TapScore USA

ORO VALLEY WATER UTILITY EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system AZ0410164. It does not test household tap water or determine whether water is currently safe to drink.

A

No recent records

TapScore compliance-history grade

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

System details

PWSID
AZ0410164
Population served
42,316
Water source
Ground Water
Owner type
Local Government
State
Arizona
EPA region
9
All historical records
655
Not marked resolved
2

How to read this grade

Grade A means “No recent 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
1,2-DIBROMO-3-CHLOROPROPANEMonitoring/reporting record21
Trichloroethylene (TCE)Monitoring/reporting record21
Xylenes, TotalMonitoring/reporting record18
HeptachlorMonitoring/reporting record17
UraniumMonitoring/reporting record17
Gross AlphaMonitoring/reporting record16
Heptachlor epoxideMonitoring/reporting record15
ChlordaneMonitoring/reporting record15
Radium-226Monitoring/reporting record15
Benzo(a)pyreneMonitoring/reporting record14
PentachlorophenolMonitoring/reporting record14
CarbofuranMonitoring/reporting record13
AtrazineMonitoring/reporting record13
BenzeneMonitoring/reporting record13
trans-1,2-DichloroethyleneMonitoring/reporting record13
Carbon tetrachlorideMonitoring/reporting record13
CHLOROBENZENEMonitoring/reporting record13
MethoxychlorMonitoring/reporting record12
DiquatMonitoring/reporting record12
2,4-DMonitoring/reporting record12

Showing the 20 categories with the most records out of 69 categories in this system's history.

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

2018
26
2016
36
2015
1
2014
38
2013
14
2011
17
2010
20
2009
13
2006
51
2005
6

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

ORO VALLEY

ZIP codes served

85737

County: Pima