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Castana Municipal Water Supply

Published drinking-water records and contacts for Castana Municipal Water Supply. System IA6715083. Review sources and dates; not a real-time water assessment.

System ID
IA6715083
State or territory
IA
Published population served
103
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) 0.0015 mg/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0.0039 mg/L2020-07-01 – 2020-12-312026Q3
Lead (PB90) 0.002 mg/L2020-01-01 – 2020-06-302026Q3
Lead (PB90) 0.0048 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0.008 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0.003 mg/L2009-01-01 – 2011-12-312026Q3
Lead (PB90) 0.022 mg/L2006-01-01 – 2008-12-312026Q3
Lead (PB90) 0.003 mg/L2003-01-01 – 2005-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
HFPO-DA< 2.0 ng/L2025-12-08WELLS 3 OR 4 @ 144 MAPLE ST (FINISHED DRINKING WATER) / Iowa DNR published PFAS sampling
PFBS< 2.0 ng/L2025-12-08WELLS 3 OR 4 @ 144 MAPLE ST (FINISHED DRINKING WATER) / Iowa DNR published PFAS sampling
PFHxS< 2.0 ng/L2025-12-08WELLS 3 OR 4 @ 144 MAPLE ST (FINISHED DRINKING WATER) / Iowa DNR published PFAS sampling
PFNA< 2.0 ng/L2025-12-08WELLS 3 OR 4 @ 144 MAPLE ST (FINISHED DRINKING WATER) / Iowa DNR published PFAS sampling
PFOA< 2.0 ng/L2025-12-08WELLS 3 OR 4 @ 144 MAPLE ST (FINISHED DRINKING WATER) / Iowa DNR published PFAS sampling
PFOS< 2.0 ng/L2025-12-08WELLS 3 OR 4 @ 144 MAPLE ST (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

19 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
Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report2021-07-01 – —ResolvedNo2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2020-09-01 – 2020-09-30ResolvedNo2026Q3
Ground Water Rule / Failure to Conduct Assessment Monitoring2020-09-01 – 2020-09-30ResolvedNo2026Q3
Nitrate Rule / Monitoring, Regular2020-09-01 – 2020-09-30ResolvedNo2026Q3
Ground Water Rule / Failure to Conduct Assessment Monitoring2020-08-01 – 2020-08-31ResolvedNo2026Q3
Nitrate Rule / Monitoring, Regular2020-08-01 – 2020-08-31ResolvedNo2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2020-08-01 – 2020-08-31ResolvedNo2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2020-07-01 – 2020-07-31ResolvedNo2026Q3
Nitrate Rule / Monitoring, Regular2020-07-01 – 2020-07-31ResolvedNo2026Q3
Ground Water Rule / Failure to Conduct Assessment Monitoring2020-07-01 – 2020-07-31ResolvedNo2026Q3
Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report2020-07-01 – —ResolvedNo2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)2020-07-01 – 2020-07-31ResolvedNo2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)2020-07-01 – 2020-07-31ResolvedNo2026Q3
Ground Water Rule / Failure to Conduct Assessment Monitoring2020-01-01 – 2020-01-31ResolvedNo2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2019-04-01 – 2019-04-30ResolvedNo2026Q3
Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation2018-01-22 – —ResolvedNo2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2017-09-01 – 2017-09-30ResolvedNo2026Q3
Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R2017-06-01 – —ResolvedNo2026Q3
Total Coliform Rule / Monitoring, Repeat Major (TCR)1993-07-01 – 1993-07-31ArchivedNo2026Q3

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)

Castana Municipal Water Supply: 712-420-0529

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