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Bass Lake OM

Arizona — Community Water System — PWSID: NN3500294

System Information

PWSIDNN3500294
System NameBass Lake OM
System TypeCommunity Water System
Water SourceGround Water
Activity StatusInactive
Owner TypeNative American
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedFeb 2, 1984
Last ReportedDec 31, 2025

Location & Contact

StateArizona
CityFt. Defiance
ZIP Code86504-0678
AddressDomestic Section
OrganizationNavajo Department of Water Resources
Phone9287294033

Population & Service

Population Served100
Service Connections21

Drinking Water Violations (64)

This water system has 64 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
Aug 1, 2004 Aug 31, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2004 Total Coliform Rule
Jan 1, 2004 Dec 31, 2004 Styrene MR No No — 0.1 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,1,2-Trichloroethane MR No No — 0.005 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,2,4-Trichlorobenzene MR No No — 0.07 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 ETHYLENE DIBROMIDE MR No No — 0.00005 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,2-Dichloroethane MR No No — 0.005 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Benzo(a)pyrene MR No No — 0.0002 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Ethylbenzene MR No No — 0.7 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 trans-1,2-Dichloroethylene MR No No — 0.1 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Aldicarb sulfone MR No No — — — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Glyphosate MR No No — 0.7 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 2,3,7,8-TCDD MR No No — 0.00000003 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Toxaphene MR No No — 0.003 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,2-DIBROMO-3-CHLOROPROPANE MR No No — 0.0002 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Dalapon MR No No — 0.2 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Simazine MR No No — 0.004 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 OXAMYL MR No No — 0.2 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,2-Dichloropropane MR No No — 0.005 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Pentachlorophenol MR No No — 0.001 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Picloram MR No No — 0.5 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Endrin MR No No — 0.002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,1,1-Trichloroethane MR No No — 0.2 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Methoxychlor MR No No — 0.04 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 2,4-D MR No No — 0.07 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Carbofuran MR No No — 0.04 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Tetrachloroethylene MR No No — 0.005 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Chlordane MR No No — 0.002 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,1-Dichloroethylene MR No No — 0.007 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Diquat MR No No — 0.02 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 p-Dichlorobenzene MR No No — 0.075 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Dinoseb MR No No — 0.007 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Hexachlorocyclopentadiene MR No No — 0.05 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Aldicarb sulfoxide MR No No — — — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Aldicarb MR No No — — — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Atrazine MR No No — 0.003 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 LASSO MR No No — — — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Heptachlor MR No No — 0.0004 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Heptachlor epoxide MR No No — 0.0002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 2,4,5-TP MR No No — 0.05 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 DICHLOROMETHANE MR No No — 0.005 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Benzene MR No No — 0.005 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Toluene MR No No — 1 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Di(2-ethylhexyl) adipate MR No No — 0.4 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 HEXACHLOROBENZENE MR No No — 0.001 mg/L — Archived Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 o-Dichlorobenzene MR No No — 0.6 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Trichloroethylene MR No No — 0.005 mg/L — Archived Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Xylenes, Total MR No No — 10 mg/L — Archived Dec 31, 2004 Volatile 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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