Sheldon Water Department

Published drinking-water records and contacts for Sheldon Water Department. System IA7170040. Review sources and dates; not a real-time water assessment.

System ID: IA7170040
State or territory: IA
Published population served: 5512
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 60 — 2025-05-06 – 2025-11-11
Lead and copper monitoring summaries: 20 — 1992-07-01 – 2024-12-31
Iowa DNR published PFAS sampling: 6 — 2023-04-04 – 2023-04-04

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	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
ADONA	< 0.003 µg/L	0.003 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
NFDHA	< 0.02 µg/L	0.02 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFBA	< 0.005 µg/L	0.005 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFBS	< 0.003 µg/L	0.003 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFDA	< 0.003 µg/L	0.003 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFDoA	< 0.003 µg/L	0.003 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFEESA	< 0.003 µg/L	0.003 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFHpA	< 0.003 µg/L	0.003 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFHpS	< 0.003 µg/L	0.003 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFHxA	< 0.003 µg/L	0.003 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFHxS	< 0.003 µg/L	0.003 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFMBA	< 0.003 µg/L	0.003 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFMPA	< 0.004 µg/L	0.004 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFNA	< 0.004 µg/L	0.004 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFOA	< 0.004 µg/L	0.004 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFOS	< 0.004 µg/L	0.004 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFPeA	< 0.003 µg/L	0.003 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFPeS	< 0.004 µg/L	0.004 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFTA	< 0.008 µg/L	0.008 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFTrDA	< 0.007 µg/L	0.007 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
PFUnA	< 0.002 µg/L	0.002 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01
lithium	45 µg/L	9 µg/L	2025-11-11	SHELDON WATER - WELL TREATMENT / 01

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)	0.002 mg/L	2024-07-01 – 2024-12-31	2026Q3
Lead (PB90)	0.0015 mg/L	2024-01-01 – 2024-06-30	2026Q3
Lead (PB90)	0.0026 mg/L	2019-01-01 – 2021-12-31	2026Q3
Lead (PB90)	0.0035 mg/L	2016-01-01 – 2018-12-31	2026Q3
Lead (PB90)	0.0028 mg/L	2013-01-01 – 2015-12-31	2026Q3
Lead (PB90)	0.002 mg/L	2010-01-01 – 2012-12-31	2026Q3
Lead (PB90)	0.003 mg/L	2007-01-01 – 2009-12-31	2026Q3
Lead (PB90)	0.002 mg/L	2004-01-01 – 2006-12-31	2026Q3

Twelve most recent imported state laboratory records
Substance	Published result	Sample date	Location / source
HFPO-DA	< 2.0 ng/L	2023-04-04	SHELDON SHALLOW WELLS (FINISHED DRINKING WATER) / Iowa DNR published PFAS sampling
PFBS	< 2.0 ng/L	2023-04-04	SHELDON SHALLOW WELLS (FINISHED DRINKING WATER) / Iowa DNR published PFAS sampling
PFHxS	< 2.0 ng/L	2023-04-04	SHELDON SHALLOW WELLS (FINISHED DRINKING WATER) / Iowa DNR published PFAS sampling
PFNA	< 2.0 ng/L	2023-04-04	SHELDON SHALLOW WELLS (FINISHED DRINKING WATER) / Iowa DNR published PFAS sampling
PFOA	< 2.0 ng/L	2023-04-04	SHELDON SHALLOW WELLS (FINISHED DRINKING WATER) / Iowa DNR published PFAS sampling
PFOS	< 2.0 ng/L	2023-04-04	SHELDON SHALLOW WELLS (FINISHED DRINKING WATER) / Iowa DNR published PFAS sampling

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

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

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
Iowa DNR published PFAS sampling — last successful check: 2026-10-14

Administrative contact (EPA filing)

Sheldon Water Department: 712-324-2845

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