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Buchanan County, Iowa: drinking water records

This overview covers 10 ZIP codes and 11 community water systems in Buchanan County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.

In focus10ZIP codes in this overview
Public records. Clearer context.
1
systems in EPA's PFAS survey
0
systems where PFAS was found
0
systems at or above the PFOA or PFOS limit, on the yearly-average basis EPA uses
4
systems that have reached the lead action level
1
systems with a health-based violation since 2016

System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.

Water systems with the most complete records

Water systemPeople servedPFAS survey resultsPFAS foundHealth-based violationsLead, 9 in 10 homes at or below
Independence Water Dept IA10370706,064239007.1 ppb
Rubys Valley Care Home CA1000200790010 ppb
Jesup Municipal Water Supply IA10440062,5080001.9 ppb
Fairbank Water Supply IA10250311,1110001.6 ppb
Winthrop Water Supply IA10930318400003.5 ppb
Hazleton Water Supply IA10310447130001.5 ppb
Lamont Water Supply IA105105142900013 ppb
Brandon Water Supply IA10110013410003.2 ppb
Pints Water Association IA10373019600013.1 ppb
Hazleton Mobile Home Park IA1031601900000 ppb
River Ridge HOA IA1037302600000 ppb

ZIP reports in Buchanan County

No ZIP report in this county is published yet.

Sources and scope

EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.

Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.

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