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Olosega ASG

AS — Community Water System — PWSID: AS9530447

System Information

PWSIDAS9530447
System NameOlosega ASG
System TypeCommunity Water System
Water SourceGround Water
Activity StatusInactive
Owner TypeState
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedJan 23, 1981
Last ReportedDec 19, 2025

Location & Contact

StateAS
CityPago Pago
ZIP Code96799
AddressP.O. Box PPB
OrganizationAmerican Samoa Power Authority
Phone6846335200

Population & Service

Population Served206
Service Connections50

Drinking Water Violations (286)

This water system has 286 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
Nov 1, 2013 Nov 30, 2013 Coliform (TCR) MR No No — 5% of samples — Archived Nov 30, 2013 Total Coliform Rule
Oct 1, 2013 Dec 31, 2013 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Archived Dec 31, 2013 Radionuclides and Revised Rad Rule
Jul 1, 2013 Sep 30, 2013 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Archived Sep 30, 2013 Radionuclides and Revised Rad Rule
Apr 1, 2013 Jun 30, 2013 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Archived Jun 30, 2013 Radionuclides and Revised Rad Rule
Feb 1, 2013 Feb 28, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2013 Total Coliform Rule
Jan 1, 2013 Mar 31, 2013 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Archived Mar 31, 2013 Radionuclides and Revised Rad Rule
Jan 1, 2013 Dec 31, 2013 Nitrate MR No Yes — 10 mg/L — Archived Dec 31, 2013 Nitrate Rule
Jan 1, 2013 Dec 31, 2013 Nitrite MR No Yes — 1 mg/L — Archived Dec 31, 2013 Nitrate Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MR No No — 5% of samples — Archived Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Dec 31, 2012 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Archived Dec 31, 2012 Radionuclides and Revised Rad Rule
Sep 1, 2012 — E. COLI MR No Yes — — — Archived Jan 1, 2014 Ground Water Rule
Apr 1, 2012 Jun 30, 2012 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Archived Jun 30, 2012 Radionuclides and Revised Rad Rule
Jan 1, 2012 Dec 31, 2012 TTHM MR No Yes — 0.080 mg/L — Archived Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MR No No — 5% of samples — Archived Jan 31, 2012 Total Coliform Rule
Jan 1, 2012 Dec 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MR No No — 5% of samples — Archived Oct 31, 2011 Total Coliform Rule
Apr 1, 2011 Apr 30, 2011 Coliform (TCR) MR No No — 5% of samples — Archived Apr 30, 2011 Total Coliform Rule
Jan 1, 2011 Dec 31, 2013 Xylenes, Total MR No Yes — 10 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Arsenic MR No Yes — 0.010 mg/L — Archived Dec 31, 2013 Arsenic Rule
Jan 1, 2011 Dec 31, 2013 Antimony, Total MR No Yes — 0.006 mg/L — Archived Dec 31, 2013 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 Selenium MR No Yes — 0.05 mg/L — Archived Dec 31, 2013 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 Endrin MR No Yes — 0.002 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Chlordane MR No Yes — 0.002 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Trichloroethylene MR No Yes — 0.005 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Carbon tetrachloride MR No Yes — 0.005 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Dinoseb MR No Yes — 0.007 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Atrazine MR No Yes — 0.003 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Beryllium, Total MR No Yes — 0.004 mg/L — Archived Dec 31, 2013 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 Thallium, Total MR No Yes — 0.002 mg/L — Archived Dec 31, 2013 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Endothall MR No Yes — 0.1 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Combined Uranium MR No Yes — 30 ug/L — Archived Dec 31, 2013 Radionuclides and Revised Rad Rule
Jan 1, 2011 Dec 31, 2013 CHLOROBENZENE MR No Yes — 0.1 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Mercury MR No Yes — 0.002 mg/L — Archived Dec 31, 2013 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 Vinyl chloride MR No Yes — 0.002 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Diquat MR No Yes — 0.02 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Benzene MR No Yes — 0.005 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Tetrachloroethylene MR No Yes — 0.005 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Heptachlor MR No Yes — 0.0004 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Archived Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Glyphosate MR No Yes — 0.7 mg/L — Archived Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Archived Dec 31, 2013 Radionuclides and Revised Rad Rule

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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