Butler County Pwsd 1

Published drinking-water records and contacts for Butler County Pwsd 1. System MO4024070. Review sources and dates; not a real-time water assessment.

System ID: MO4024070
State or territory: MO
Published population served: 12000
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 300 — 2024-06-04 – 2024-12-09
Lead and copper monitoring summaries: 17 — 1993-07-01 – 2024-12-31
Missouri DNR PFAS samples — non-UCMR classes: 350 — 2024-06-04 – 2024-12-09

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	2024-12-09	BUTLER COUNTY PWSD 1 / TP18905
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP10725
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP12505
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP12505
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP13160
ADONA	< 0.003 µg/L	0.003 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP13160
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP18905
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP13160
NFDHA	< 0.02 µg/L	0.02 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP10725
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP10759
PFBA	< 0.005 µg/L	0.005 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP18905
PFBS	< 0.003 µg/L	0.003 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP12505
PFDA	< 0.003 µg/L	0.003 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP13160
PFDoA	< 0.003 µg/L	0.003 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP18905
PFEESA	< 0.003 µg/L	0.003 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP18905
PFHpA	< 0.003 µg/L	0.003 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP18905
PFHpS	< 0.003 µg/L	0.003 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP10759
PFHxA	< 0.003 µg/L	0.003 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP10759
PFHxS	< 0.003 µg/L	0.003 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP13160
PFMBA	< 0.003 µg/L	0.003 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP10725
PFMPA	< 0.004 µg/L	0.004 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP13160
PFNA	< 0.004 µg/L	0.004 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP13160
PFOA	< 0.004 µg/L	0.004 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP10759
PFOS	< 0.004 µg/L	0.004 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP10759
PFPeA	< 0.003 µg/L	0.003 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP10759
PFPeS	< 0.004 µg/L	0.004 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP12505
PFTA	< 0.008 µg/L	0.008 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP10759
PFTrDA	< 0.007 µg/L	0.007 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP10725
PFUnA	< 0.002 µg/L	0.002 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP10725
lithium	< 9 µg/L	9 µg/L	2024-12-09	BUTLER COUNTY PWSD 1 / TP18905

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)	0.00142 mg/L	2022-01-01 – 2024-12-31	2026Q3
Lead (PB90)	0.00102 mg/L	2019-01-01 – 2021-12-31	2026Q3
Lead (PB90)	0.00102 mg/L	2019-01-01 – 2021-12-31	2026Q3
Lead (PB90)	0.00134 mg/L	2016-01-01 – 2018-12-31	2026Q3
Lead (PB90)	0.00134 mg/L	2016-01-01 – 2018-12-31	2026Q3
Lead (PB90)	0.00447 mg/L	2014-01-01 – 2016-12-31	2026Q3
Lead (PB90)	0.00447 mg/L	2013-01-01 – 2015-12-31	2026Q3
Lead (PB90)	0.00461 mg/L	2011-01-01 – 2013-12-31	2026Q3

Twelve most recent imported state laboratory records
Substance	Published result	Sample date	Location / source
PERFLUORONONANOIC ACID (PFNA)	< 4 NG/L	2024-12-09	METZ WELL WEST / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROBUTANE SULFONIC ACID (PFBS)	< 2.8 NG/L	2024-12-09	GREEN FOREST WL / Missouri DNR PFAS samples — non-UCMR classes
11CL-PF3OUDS	< 5 NG/L	2024-12-09	41279-99 / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROHEPTANOIC ACID (PFHPA)	< 3 NG/L	2024-12-09	MELTON DR WELL TREATMENT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROPENTANESULFONIC ACID (PFPES)	< 4 NG/L	2024-12-09	METZ WELL WEST / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROOCTANE SULFONIC ACID 6:2 FTS	< 5 NG/L	2024-12-09	METZ WELL WEST / Missouri DNR PFAS samples — non-UCMR classes
HFPO-DA	< 4.8 NG/L	2024-12-09	41279-99 / Missouri DNR PFAS samples — non-UCMR classes
PERFLUORONONANOIC ACID (PFNA)	< 3.8 NG/L	2024-12-09	41279-99 / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROBUTANE SULFONIC ACID (PFBS)	< 2.8 NG/L	2024-12-09	WELL # 4 SOUTH / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROTRIDECANOIC ACID (PFTRDA)	< 7 NG/L	2024-12-09	41279-99 / Missouri DNR PFAS samples — non-UCMR classes
ADONA	< 3 NG/L	2024-12-09	WELL # 4 SOUTH / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROHEXANOIC ACID (PFHXA)	< 3 NG/L	2024-12-09	WELL # 4 SOUTH / 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

1 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
Total Coliform Rule / Monitoring, Routine Minor (TCR)	1994-10-01 – 1994-10-31	Archived	No	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)

Neyman, Willie: 573-785-5010

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