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Aunuu ASG

AS — Community Water System — PWSID: AS9310751

System Information

PWSIDAS9310751
System NameAunuu 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 Served402
Service Connections59

Drinking Water Violations (253)

This water system has 253 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
Jul 1, 2025 Sep 30, 2025 Asbestos MR No Yes — 7 MFL — Archived Sep 30, 2025 Inorganic Chemicals
Jun 1, 2025 — E. COLI MR No Yes — — — Unaddressed — Ground Water Rule
Apr 1, 2025 Jun 30, 2025 Asbestos MR No Yes — 7 MFL — Archived Jun 30, 2025 Inorganic Chemicals
Jan 1, 2025 Dec 31, 2025 TTHM MR No Yes — 0.080 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Asbestos MR No Yes — 7 MFL — Archived Mar 31, 2025 Inorganic Chemicals
Jan 1, 2025 Dec 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 — Revised Total Coliform Rule TT Yes No — — — Resolved Nov 26, 2024 Revised Total Coliform Rule
Jul 1, 2024 Jul 31, 2024 Revised Total Coliform Rule MCL Yes No — — — Resolved Jul 31, 2024 Revised Total Coliform Rule
Apr 1, 2024 Jun 30, 2024 TTHM MR No Yes — 0.080 mg/L — Archived Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Nov 19, 2024 Lead and Copper Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Sep 1, 2022 — E. COLI MR No Yes — — — Resolved Sep 1, 2022 Ground Water 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, 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, 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, 2022 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Jul 1, 2022 Sep 30, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 TTHM MR No Yes — 0.080 mg/L — Archived Sep 30, 2022 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, 2021 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Jul 1, 2021 Sep 30, 2021 Total Haloacetic Acids (HAA5) MCL Yes No 4.5428 MG/L 0.060 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 — Public Notice Other No No — — — Resolved Jan 26, 2022 Public Notice Rule and Revised PN Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Jul 1, 2021 Sep 30, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 TTHM MCL Yes No 16.3884 MG/L 0.080 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 — Public Notice Other No No — — — Resolved Jan 26, 2022 Public Notice Rule and Revised PN Rule
Jul 1, 2021 Sep 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 — Public Notice Other No No — — — Resolved Jan 26, 2022 Public Notice Rule and Revised PN Rule
Apr 1, 2020 Jun 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 — Public Notice Other No No — — — Resolved Jan 26, 2022 Public Notice Rule and Revised PN Rule
Apr 1, 2020 Jun 30, 2020 TTHM MCL Yes No 16.3884 MG/L 0.080 mg/L — Resolved Jun 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Total Haloacetic Acids (HAA5) MCL Yes No 4.5428 MG/L 0.060 mg/L — Resolved Jun 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Dec 31, 2019 TTHM MCL Yes No .1175 MG/L 0.080 mg/L — Resolved Dec 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 — Public Notice Other No No — — — Resolved Jan 26, 2022 Public Notice Rule and Revised PN Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Jul 1, 2019 Sep 30, 2019 TTHM MCL Yes No 16.3884 MG/L 0.080 mg/L — Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jun 24, 2025 Consumer Confidence Rule
Jul 1, 2019 Dec 31, 2019 Lead and Copper Rule MR No No — TT — Resolved Jan 14, 2019 Lead and Copper 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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