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NESKOWIN REG WATER DIST

Oregon — Community Water System — PWSID: OR4100970

System Information

PWSIDOR4100970
System NameNESKOWIN REG WATER DIST
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1979
Last ReportedDec 23, 2025

Location & Contact

StateOregon
CityNESKOWIN
ZIP Code97149
Address9500 SLAB CREEK RD
OrganizationNESKOWIN REG WATER DIST
Phone503-392-3966

Population & Service

Population Served1,735
Service Connections774

Drinking Water Violations (93)

This water system has 93 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 — Consumer Confidence Rule Other No No — — — Resolved Jul 8, 2025 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 24, 2023 Consumer Confidence Rule
Oct 1, 2022 Oct 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2022 Surface Water Treatment Rule
Oct 1, 2022 Oct 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2022 Surface Water Treatment Rule
Oct 1, 2022 Oct 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2022 Surface Water Treatment Rule
Oct 1, 2022 Oct 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2022 Surface Water Treatment Rule
Oct 1, 2022 Oct 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2022 Surface Water Treatment Rule
Oct 1, 2022 Oct 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2022 Surface Water Treatment Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Dec 1, 2022 Lead and Copper Rule
Jul 1, 2020 Sep 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 LASSO MR No Yes — — — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Oct 1, 2019 Oct 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2019 Surface Water Treatment Rule
Oct 1, 2019 Oct 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2019 Surface Water Treatment Rule
Oct 1, 2019 Oct 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2019 Surface Water Treatment Rule
Jul 1, 2019 Jul 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2019 Surface Water Treatment Rule
Jul 1, 2019 Jul 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2019 Surface Water Treatment Rule
Jul 1, 2019 Jul 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2019 Surface Water Treatment Rule
Oct 1, 2017 Oct 31, 2017 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2017 Surface Water Treatment Rule
Oct 1, 2017 Oct 31, 2017 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2017 Surface Water Treatment Rule
Oct 1, 2017 Oct 31, 2017 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2017 Surface Water Treatment Rule
Sep 1, 2017 Sep 30, 2017 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2017 Surface Water Treatment 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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