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GW OCOTILLO WATER - SILVERBELL WEST

Arizona — Community Water System — PWSID: AZ0410162

System Information

PWSIDAZ0410162
System NameGW OCOTILLO WATER - SILVERBELL WEST
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityMARICOPA
ZIP Code85138
Address—
OrganizationARMIJO, SUSAN
Phone480-328-9281

Population & Service

Population Served263
Service Connections94

Drinking Water Violations (82)

This water system has 82 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jan 1, 2019 Dec 31, 2021 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Toluene MR No Yes — 1 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 CYANIDE MR No Yes — 0.2 mg/L — Resolved Jan 31, 2019 Inorganic Chemicals
Jan 1, 2019 Dec 31, 2021 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Chlordane MR No Yes — 0.002 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Endrin MR No Yes — 0.002 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Picloram MR No Yes — 0.5 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Fluoride MR No Yes — 4.0 mg/L — Resolved Jan 31, 2019 Inorganic Chemicals
Jan 1, 2019 Dec 31, 2021 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 2,4-D MR No Yes — 0.07 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 LASSO MR No Yes — — — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Carbofuran MR No Yes — 0.04 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Endothall MR No Yes — 0.1 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Mercury MR No Yes — 0.002 mg/L — Resolved Jan 31, 2019 Inorganic Chemicals
Jan 1, 2019 Dec 31, 2021 Cadmium MR No Yes — 0.005 mg/L — Resolved Jan 31, 2019 Inorganic Chemicals
Jan 1, 2019 Dec 31, 2021 Nickel MR No Yes — — — Resolved Jan 31, 2019 Inorganic Chemicals
Jan 1, 2019 Dec 31, 2021 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Atrazine MR No Yes — 0.003 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Chromium MR No Yes — 0.1 mg/L — Resolved Jan 31, 2019 Inorganic Chemicals
Jan 1, 2019 Dec 31, 2021 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Benzene MR No Yes — 0.005 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Simazine MR No Yes — 0.004 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jan 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Selenium MR No Yes — 0.05 mg/L — Resolved Jan 31, 2019 Inorganic Chemicals
Jan 1, 2019 Dec 31, 2021 Thallium, Total MR No Yes — 0.002 mg/L — Resolved Jan 31, 2019 Inorganic Chemicals
Jan 1, 2019 Dec 31, 2021 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Jan 31, 2019 Inorganic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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