Lincoln County Pwsd 1

Published drinking-water records and contacts for Lincoln County Pwsd 1. System MO6024340. Review sources and dates; not a real-time water assessment.

System ID: MO6024340
State or territory: MO
Published population served: 14000
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 300 — 2024-07-10 – 2024-12-17
Lead and copper monitoring summaries: 20 — 1992-07-01 – 2024-12-31
Missouri DNR PFAS samples — non-UCMR classes: 350 — 2024-07-10 – 2024-12-17

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

EPA UCMR 5 — most recent imported sample per substance
Substance	Published result	Reporting limit	Sample date	Sampling location
11Cl-PF3OUdS	< 0.005 µg/L	0.005 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP12706
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP11841
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP16983
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP11841
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP11841
ADONA	< 0.003 µg/L	0.003 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP10121
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP16983
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP10121
NFDHA	< 0.02 µg/L	0.02 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP19949
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP12706
PFBA	< 0.005 µg/L	0.005 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP11841
PFBS	< 0.003 µg/L	0.003 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP10121
PFDA	< 0.003 µg/L	0.003 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP10121
PFDoA	< 0.003 µg/L	0.003 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP11841
PFEESA	< 0.003 µg/L	0.003 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP10121
PFHpA	< 0.003 µg/L	0.003 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP11841
PFHpS	< 0.003 µg/L	0.003 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP10121
PFHxA	< 0.003 µg/L	0.003 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP16983
PFHxS	< 0.003 µg/L	0.003 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP11841
PFMBA	< 0.003 µg/L	0.003 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP10121
PFMPA	< 0.004 µg/L	0.004 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP10121
PFNA	< 0.004 µg/L	0.004 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP19949
PFOA	< 0.004 µg/L	0.004 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP19949
PFOS	< 0.004 µg/L	0.004 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP10121
PFPeA	< 0.003 µg/L	0.003 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP11841
PFPeS	< 0.004 µg/L	0.004 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP16983
PFTA	< 0.008 µg/L	0.008 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP11841
PFTrDA	< 0.007 µg/L	0.007 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP12706
PFUnA	< 0.002 µg/L	0.002 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP12706
lithium	71.5 µg/L	9 µg/L	2024-12-17	LINCOLN COUNTY PWSD 1 / TP16983

Download all EPA UCMR 5 records (CSV)

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
Substance	Published 90th percentile	Monitoring period	Source quarter
Lead (PB90)	0.00351 mg/L	2022-01-01 – 2024-12-31	2026Q3
Lead (PB90)	0.00158 mg/L	2019-01-01 – 2021-12-31	2026Q3
Lead (PB90)	0.00158 mg/L	2019-01-01 – 2021-12-31	2026Q3
Lead (PB90)	0.00248 mg/L	2016-01-01 – 2018-12-31	2026Q3
Lead (PB90)	0.00248 mg/L	2016-01-01 – 2018-12-31	2026Q3
Lead (PB90)	0.0103 mg/L	2013-01-01 – 2015-12-31	2026Q3
Lead (PB90)	0.0103 mg/L	2013-01-01 – 2015-12-31	2026Q3
Lead (PB90)	0.00378 mg/L	2011-01-01 – 2013-12-31	2026Q3

Twelve most recent imported state laboratory records
Substance	Published result	Sample date	Location / source
PERFLUOROTETRADECANOIC ACID (PFTA)	< 8 NG/L	2024-12-17	WELL # 6 - EMERALD CT - OLD MONROE / Missouri DNR PFAS samples — non-UCMR classes
PERFLUORO PFMPA	< 4 NG/L	2024-12-17	WELL # 6 - EMERALD CT - OLD MONROE / Missouri DNR PFAS samples — non-UCMR classes
9CL-PF3ONS	< 2 NG/L	2024-12-17	WELL # 5 - WILDORADO RD - TROY / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROHEXANE SULFONIC ACID 4:2 FTS	< 3 NG/L	2024-12-17	WELL #8 BREVATER RD / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROHEPTANESULFONIC ACID (PFHPS)	< 3 NG/L	2024-12-17	WELL # 5 - WILDORADO RD - TROY / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROHEXANE SULFONIC ACID 4:2 FTS	< 3 NG/L	2024-12-17	WELL # 7 - HIGHWAY 47 E - TROY / Missouri DNR PFAS samples — non-UCMR classes
NETFOSAA	< 5 NG/L	2024-12-17	WELL # 5 - WILDORADO RD - TROY / Missouri DNR PFAS samples — non-UCMR classes
PERFLUORODECANE SULFONIC ACID 8:2 FTS	< 5 NG/L	2024-12-17	WELL # 5 - WILDORADO RD - TROY / Missouri DNR PFAS samples — non-UCMR classes
HFPO-DA	< 5 NG/L	2024-12-17	WELL # 5 - WILDORADO RD - TROY / Missouri DNR PFAS samples — non-UCMR classes
HFPO-DA	< 4.9 NG/L	2024-12-17	WELL #8 BREVATER RD / Missouri DNR PFAS samples — non-UCMR classes
HFPO-DA	< 5 NG/L	2024-12-17	WELL # 7 - HIGHWAY 47 E - TROY / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROBUTANE SULFONIC ACID (PFBS)	< 3 NG/L	2024-12-17	WELL #8 BREVATER RD / Missouri DNR PFAS samples — non-UCMR classes

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

10 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 / record	Period	Recorded status	Health-based (EPA classification)	Source quarter
Revised Total Coliform Rule / Monitoring, Routine (RTCR)	2024-12-01 – 2024-12-31	Resolved	No	2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)	2022-04-01 – 2022-04-30	Resolved	No	2026Q3
Inorganic Chemicals / Maximum Contaminant Level Violation, Average	2020-01-01 – 2020-03-31	Resolved	Yes	2026Q3
Inorganic Chemicals / Maximum Contaminant Level Violation, Average	2019-10-01 – 2019-12-31	Resolved	Yes	2026Q3
Ground Water Rule / Monitoring, Source Water (GWR)	2017-06-01 – —	Resolved	No	2026Q3
Inorganic Chemicals / Maximum Contaminant Level Violation, Average	2015-04-01 – 2015-06-30	Archived	Yes	2026Q3
Inorganic Chemicals / Maximum Contaminant Level Violation, Average	2015-01-01 – 2015-03-31	Archived	Yes	2026Q3
Inorganic Chemicals / Maximum Contaminant Level Violation, Average	2014-10-01 – 2014-12-31	Archived	Yes	2026Q3
Inorganic Chemicals / Maximum Contaminant Level Violation, Average	2014-07-01 – 2014-09-30	Archived	Yes	2026Q3
Inorganic Chemicals / Maximum Contaminant Level Violation, Average	2014-04-01 – 2014-06-30	Archived	Yes	2026Q3

Source dates and refresh checks

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

EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
Missouri DNR PFAS samples — non-UCMR classes — last successful check: 2026-10-15

Administrative contact (EPA filing)

Drullinger, Lucas: 636-528-8919

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