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St. Louis RWD

Published drinking-water records and contacts for St. Louis RWD. System OK2006304. Review sources and dates; not a real-time water assessment.

System ID
OK2006304
State or territory
OK
Published population served
225
System type (source code)
CWS

Published records and dates

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
SubstancePublished 90th percentileMonitoring periodSource quarter
Lead (PB90) 0.000429 mg/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.0034 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0 mg/L2002-01-01 – 2004-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
ARSENIC0.000958 mg/L2026-05-11EP001 / Oklahoma selected chemical sample panels
BARIUM0.191 mg/L2026-05-11EP001 / Oklahoma selected chemical sample panels
CADMIUM< 0.0005 mg/L2026-05-11EP001 / Oklahoma selected chemical sample panels
CHROMIUM< 0.0005 mg/L2026-05-11EP001 / Oklahoma selected chemical sample panels
FLUORIDE0.107 mg/L2026-05-11EP001 / Oklahoma selected chemical sample panels
MERCURY< 0.2 µg/L2026-05-11EP001 / Oklahoma selected chemical sample panels
NICKEL0.00373 mg/L2026-05-11EP001 / Oklahoma selected chemical sample panels
SELENIUM0.00273 mg/L2026-05-11EP001 / Oklahoma selected chemical sample panels
SODIUM20.3 mg/L2026-05-11EP001 / Oklahoma selected chemical sample panels
ANTIMONY, TOTAL< 0.0005 mg/L2026-05-11EP001 / Oklahoma selected chemical sample panels
BERYLLIUM, TOTAL< 0.0005 mg/L2026-05-11EP001 / Oklahoma selected chemical sample panels
THALLIUM, TOTAL< 0.0005 mg/L2026-05-11EP001 / Oklahoma selected chemical sample panels

State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.

Download state records with source notes (CSV)

Published compliance history

4 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Twenty most recent imported compliance records
Rule / recordPeriodRecorded statusHealth-based (EPA classification)Source quarter
Lead and Copper Rule Revisions / LSL Inventory2024-10-17 – —AddressedYes2026Q3
Lead and Copper Rule Revisions / LSL Reporting2024-10-17 – —AddressedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2024-04-01 – 2024-06-30ResolvedNo2026Q3
Ground Water Rule / Monitoring, Source Water (GWR)2020-09-25 – —ResolvedNo2026Q3

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

Administrative contact (EPA filing)

St. Louis Utility Co: 405-289-1251

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records