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Aoa ASG

AS — Community Water System — PWSID: AS9710652

System Information

PWSIDAS9710652
System NameAoa ASG
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeState
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 14, 1994
Last ReportedDec 19, 2025

Location & Contact

StateAS
CityPago Pago
ZIP Code96799
AddressP.O Box PPB
OrganizationAmerican Samoa Power Authority
Phone6846991234

Population & Service

Population Served344
Service Connections73

Drinking Water Violations (95)

This water system has 95 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, 2025 Jun 30, 2025 Asbestos MR No Yes — 7 MFL — Resolved Jun 30, 2025 Inorganic Chemicals
Feb 1, 2025 — Public Notice Other No No — — — Resolved Mar 3, 2025 Public Notice Rule and Revised PN Rule
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MCL Yes No — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Jan 1, 2025 Mar 31, 2025 Asbestos MR No Yes — 7 MFL — Resolved Mar 31, 2025 Inorganic Chemicals
Sep 1, 2023 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MCL Yes No — — — Archived Sep 30, 2023 Revised Total Coliform Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Archived Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Archived Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Jan 1, 2019 Jan 31, 2019 Revised Total Coliform Rule MCL Yes No — — — Resolved Jan 31, 2019 Revised Total Coliform Rule
Jan 1, 2019 — E. COLI MR No Yes — — — Resolved Jul 12, 2021 Ground Water Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Dec 31, 2017 — Groundwater Rule TT Yes No — — — Resolved Sep 28, 2021 Ground Water Rule
Dec 31, 2017 — Groundwater Rule TT Yes No — — — Resolved Sep 28, 2021 Ground Water Rule
Dec 1, 2017 Dec 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2017 Revised Total Coliform Rule
Jan 1, 2017 Dec 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 31, 2016 — Groundwater Rule TT Yes No — — — Resolved Mar 10, 2017 Ground Water Rule
May 1, 2015 May 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2015 Total Coliform Rule
Dec 31, 2014 — Groundwater Rule TT Yes No — — — Resolved Sep 28, 2021 Ground Water Rule
Dec 31, 2014 — Groundwater Rule TT Yes No — — — Resolved Sep 28, 2021 Ground Water Rule
Dec 31, 2014 — Groundwater Rule TT Yes No — — — Resolved Sep 28, 2021 Ground Water Rule
Dec 31, 2014 — Groundwater Rule TT Yes No — — — Resolved Sep 28, 2021 Ground Water Rule
Jul 31, 2014 — Groundwater Rule TT Yes No — — — Resolved Sep 28, 2021 Ground Water Rule
Jul 31, 2014 — Groundwater Rule TT Yes No — — — Resolved Sep 28, 2021 Ground Water Rule
Jan 1, 2014 Mar 31, 2014 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2014 Radionuclides and Revised Rad Rule
Jul 1, 2013 Sep 30, 2013 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved 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 — Resolved Jun 30, 2013 Radionuclides and Revised Rad Rule
Mar 29, 2013 — Groundwater Rule TT Yes No — — — Resolved Sep 28, 2021 Ground Water 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 Dec 31, 2013 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2013 Nitrate Rule
Jan 1, 2013 Mar 31, 2013 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Feb 11, 2013 Radionuclides and Revised Rad Rule
Nov 1, 2012 — E. COLI MR No Yes — — — Resolved Sep 6, 2013 Ground Water Rule
Oct 1, 2012 Dec 31, 2012 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2012 Radionuclides and Revised Rad Rule
Oct 1, 2012 — E. COLI MR No Yes — — — Resolved Sep 6, 2013 Ground Water Rule
Apr 1, 2012 Jun 30, 2012 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2012 Radionuclides and Revised Rad Rule
Apr 1, 2012 Apr 30, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 30, 2012 Total Coliform Rule
Apr 1, 2012 Jun 30, 2012 Gross Beta Particle Activity MR No Yes — 4 mrem/yr — Resolved Jun 30, 2012 Radionuclides and Revised Rad Rule
Jan 1, 2012 Dec 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Dec 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 — Groundwater Rule TT Yes No — — — Resolved Dec 1, 2019 Ground Water 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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