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Casa Del Eco Mesa NTUA

Arizona — Community Water System — PWSID: NN4903074

System Information

PWSIDNN4903074
System NameCasa Del Eco Mesa NTUA
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeNative American
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedFeb 23, 2006
Last ReportedDec 31, 2025

Location & Contact

StateArizona
CityFt Defiance
ZIP Code86504
AddressOffice of Deputy General Manager
OrganizationNavajo Tribal Utility Authority
Phone9287296277

Population & Service

Population Served211
Service Connections55

Drinking Water Violations (139)

This water system has 139 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
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Mar 7, 2025 Revised Total Coliform Rule
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Mar 7, 2025 Revised Total Coliform Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Feb 10, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Feb 10, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Feb 10, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2012 Dec 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2012 Total Coliform Rule
Dec 1, 2012 Dec 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2012 Total Coliform Rule
Nov 1, 2012 Nov 30, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2012 Total Coliform Rule
Jan 1, 2011 Dec 31, 2013 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Endrin MR No Yes — 0.002 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Picloram MR No Yes — 0.5 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Toluene MR No Yes — 1 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Atrazine MR No Yes — 0.003 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Toxaphene MR No Yes — 0.003 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 OXAMYL MR No Yes — 0.2 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Diquat MR No Yes — 0.02 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Benzene MR No Yes — 0.005 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Glyphosate MR No Yes — 0.7 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Simazine MR No Yes — 0.004 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Dinoseb MR No Yes — 0.007 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Carbofuran MR No Yes — 0.04 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 LASSO MR No Yes — — — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 2,4-D MR No Yes — 0.07 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Jun 4, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Styrene MR No Yes — 0.1 mg/L — Resolved Jun 26, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Jun 4, 2013 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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