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ORO VALLEY WATER UTILITY

Arizona — Community Water System — PWSID: AZ0410164

System Information

PWSIDAZ0410164
System NameORO VALLEY WATER UTILITY
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
CityORO VALLEY
ZIP Code85737
Address11000 N. La Canada Dr
OrganizationABRAHAM, PETER
Phone520-229-5000

Population & Service

Population Served42,316
Service Connections18,481

Drinking Water Violations (2,188)

This water system has 2,188 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 2,3,7,8-TCDD MR No No — 0.00000003 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Toxaphene MR No No — 0.003 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Hexachlorocyclopentadiene MR No No — 0.05 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Methoxychlor MR No No — 0.04 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Glyphosate MR No No — 0.7 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Glyphosate MR No No — 0.7 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Heptachlor epoxide MR No No — 0.0002 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Atrazine MR No No — 0.003 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 1,2-DIBROMO-3-CHLOROPROPANE MR No No — 0.0002 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Di(2-ethylhexyl) adipate MR No No — 0.4 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Chlordane MR No No — 0.002 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Heptachlor epoxide MR No No — 0.0002 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Endothall MR No No — 0.1 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Benzo(a)pyrene MR No No — 0.0002 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Dinoseb MR No No — 0.007 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Atrazine MR No No — 0.003 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Heptachlor MR No No — 0.0004 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 2,4,5-TP MR No No — 0.05 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 ETHYLENE DIBROMIDE MR No No — 0.00005 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 HEXACHLOROBENZENE MR No No — 0.001 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Diquat MR No No — 0.02 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Di(2-ethylhexyl) adipate MR No No — 0.4 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 LASSO MR No No — — — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 2,4,5-TP MR No No — 0.05 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Methoxychlor MR No No — 0.04 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 OXAMYL MR No No — 0.2 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 1,2-DIBROMO-3-CHLOROPROPANE MR No No — 0.0002 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 LASSO MR No No — — — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 2,4-D MR No No — 0.07 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Heptachlor MR No No — 0.0004 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Pentachlorophenol MR No No — 0.001 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Dinoseb MR No No — 0.007 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Dalapon MR No No — 0.2 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 2,4-D MR No No — 0.07 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 HEXACHLOROBENZENE MR No No — 0.001 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Benzo(a)pyrene MR No No — 0.0002 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Dalapon MR No No — 0.2 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Hexachlorocyclopentadiene MR No No — 0.05 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Toxaphene MR No No — 0.003 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 OXAMYL MR No No — 0.2 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Endothall MR No No — 0.1 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Chlordane MR No No — 0.002 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Pentachlorophenol MR No No — 0.001 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 ETHYLENE DIBROMIDE MR No No — 0.00005 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 Diquat MR No No — 0.02 mg/L — Resolved Jun 27, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Dec 31, 2021 2,3,7,8-TCDD MR No No — 0.00000003 mg/L — Resolved Jun 27, 2019 Synthetic Organic 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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