PlainWater
States → Arizona

CALPORTLAND - RILLITO CEMENT PLANT

PWS ID: AZ0420011 · RILLITO, Arizona 85654

Population Served
184
Total Violations
152
Health-Based Violations
16
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
12
County
Pima
School/Daycare
No
MCL Violations
8
Monitoring Violations
125
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 25 2015
Lead and Copper Rule MR 11 2023
Coliform (TCR) MCL 8 2015
Nitrate MR 7 2008
E. COLI MR 5 2024
LEAD AND COPPER RULE REVISIONS RPT 4 2024
Revised Total Coliform Rule RPT 4 2022
Groundwater Rule TT 4 2024
LEAD AND COPPER RULE REVISIONS TT 4 2024
BHC-GAMMA MR 2 2001
Dalapon MR 2 2001
Diquat MR 2 2001
Endothall MR 2 2001
Di(2-ethylhexyl) adipate MR 2 2001
Simazine MR 2 2001
Di(2-ethylhexyl) phthalate MR 2 2001
Picloram MR 2 2001
Atrazine MR 2 2001
LASSO MR 2 2001
2,4,5-TP MR 2 2001
HEXACHLOROBENZENE MR 2 2001
Pentachlorophenol MR 2 2001
ETHYLENE DIBROMIDE MR 2 2001
Dinoseb MR 2 2001
Hexachlorocyclopentadiene MR 2 2001
Revised Total Coliform Rule Other 2 2021
Toxaphene MR 2 2001
Carbofuran MR 2 2001
Chlordane MR 2 2001
Heptachlor MR 2 2001
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.