PlainWater
States → Arizona

BIOSPHERE II

PWS ID: AZ0411405 · ORACLE, Arizona 85623

Population Served
221
Total Violations
125
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Public/Private
Connections
65
County
Pinal
School/Daycare
No
MCL Violations
10
Monitoring Violations
106
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 17 2005
Coliform (TCR) MCL 10 2010
Nitrate MR 7 2004
Revised Total Coliform Rule MON 4 2022
1,2,4-Trichlorobenzene MR 2 2002
Xylenes, Total MR 2 2002
DICHLOROMETHANE MR 2 2002
o-Dichlorobenzene MR 2 2002
trans-1,2-Dichloroethylene MR 2 2002
1,1,1-Trichloroethane MR 2 2002
Carbon tetrachloride MR 2 2002
1,1,2-Trichloroethane MR 2 2002
Benzene MR 2 2002
Toluene MR 2 2002
Ethylbenzene MR 2 2002
Styrene MR 2 2002
cis-1,2-Dichloroethylene MR 2 2002
1,2-Dichloroethane MR 2 2002
Fluoride MR 2 1989
Mercury MR 2 1989
Arsenic MR 2 1989
Barium MR 2 1989
Cadmium MR 2 1989
Selenium MR 2 1989
Chromium MR 2 1989
1,1-Dichloroethylene MR 2 2002
Public Notice Other 2 2023
p-Dichlorobenzene MR 1 1998
CHLOROBENZENE MR 1 1998
Endrin MR 1 1998
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.