An independent public resourceEnglish Español

City of Caldwell

Published drinking-water records and contacts for City of Caldwell. System ID3140013. Review sources and dates; not a real-time water assessment.

System ID
ID3140013
State or territory
ID
Published population served
74000
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

EPA UCMR 5 — most recent imported sample per substance
SubstancePublished resultReporting limitSample dateSampling location
11Cl-PF3OUdS< 0.005 µg/L0.005 µg/L2025-08-11Well #16 Treatment Plant / E0008399
4:2 FTS< 0.003 µg/L0.003 µg/L2025-08-11Well #16 Treatment Plant / E0008399
6:2 FTS< 0.005 µg/L0.005 µg/L2025-08-11Well #16 Treatment Plant / E0008399
8:2 FTS< 0.005 µg/L0.005 µg/L2025-08-11Well #16 Treatment Plant / E0008399
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-08-11Well #16 Treatment Plant / E0008399
ADONA< 0.003 µg/L0.003 µg/L2025-08-11Well #16 Treatment Plant / E0008399
HFPO-DA< 0.005 µg/L0.005 µg/L2025-08-11Well #16 Treatment Plant / E0008399
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-08-11Well #16 Treatment Plant / E0008399
NFDHA< 0.02 µg/L0.02 µg/L2025-08-11Well #16 Treatment Plant / E0008399
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFBA< 0.005 µg/L0.005 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFBS< 0.003 µg/L0.003 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFDA< 0.003 µg/L0.003 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFDoA< 0.003 µg/L0.003 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFEESA< 0.003 µg/L0.003 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFHpA< 0.003 µg/L0.003 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFHpS< 0.003 µg/L0.003 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFHxA< 0.003 µg/L0.003 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFHxS< 0.003 µg/L0.003 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFMBA< 0.003 µg/L0.003 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFMPA< 0.004 µg/L0.004 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFNA< 0.004 µg/L0.004 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFOA< 0.004 µg/L0.004 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFOS< 0.004 µg/L0.004 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFPeA< 0.003 µg/L0.003 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFPeS< 0.004 µg/L0.004 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFTA< 0.008 µg/L0.008 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFTrDA< 0.007 µg/L0.007 µg/L2025-08-11Well #16 Treatment Plant / E0008399
PFUnA< 0.002 µg/L0.002 µg/L2025-08-11Well #16 Treatment Plant / E0008399
lithium12 µg/L9 µg/L2025-08-11Well #16 Treatment Plant / E0008399

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
SubstancePublished 90th percentileMonitoring periodSource quarter
Lead (PB90) 0 mg/L2024-01-01 – 2026-12-312026Q3
Lead (PB90) 0 mg/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2020-12-312026Q3
Lead (PB90) 0 mg/L2019-07-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/L2019-01-01 – 2019-06-302026Q3
Lead (PB90) 0 mg/L2018-07-01 – 2018-12-312026Q3
Lead (PB90) 0 mg/L2018-01-01 – 2018-06-302026Q3
Lead (PB90) 0 mg/L2013-01-01 – 2015-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
NITRATE0.2 mg/L2026-09-29WELL #6 / Idaho selected chemical sample panels
NITRATE0.3 mg/L2026-09-29WELL #1-A / Idaho selected chemical sample panels
NITRATE0.4 mg/L2026-09-29WELL #14 / Idaho selected chemical sample panels
NITRATE1.7 mg/L2026-09-29WELL 10 (BU) / Idaho selected chemical sample panels
NITRATE0.3 mg/L2026-09-29WELL #11 / Idaho selected chemical sample panels
NITRATE3.6 mg/L2026-09-29WELL #15 / Idaho selected chemical sample panels
NITRATE0.2 mg/L2026-09-29WELL 16 (BU) / Idaho selected chemical sample panels
ARSENIC0.0055 mg/L2026-08-25WELL #21 / Idaho selected chemical sample panels
ARSENIC0.0057 mg/L2026-05-19WELL #21 / Idaho selected chemical sample panels
NITRATE0.3 mg/L2026-04-15WELL #4 NEW / Idaho selected chemical sample panels
NITRATE0.7 mg/L2026-04-15WELL #12 / Idaho selected chemical sample panels
NITRATE2.3 mg/L2026-04-15WELL #17 / Idaho selected chemical sample panels

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

215 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
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ArchivedNo2026Q3

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)

Martin, Terry L: 208-455-4793

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