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City of Newcastle

Published drinking-water records and contacts for City of Newcastle. System WY5600256. Review sources and dates; not a real-time water assessment.

System ID
WY5600256
State or territory
WY
Published population served
3595
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/L2025-10-20Newcastle, city of WL05 / SP05
4:2 FTS< 0.003 µg/L0.003 µg/L2025-10-20NEWCASTLE, CITY OF / SP04
6:2 FTS< 0.005 µg/L0.005 µg/L2025-10-20NEWCASTLE, CITY OF / SP03
8:2 FTS< 0.005 µg/L0.005 µg/L2025-10-20NEWCASTLE, CITY OF / SP04
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-10-20Newcastle, city of WL05 / SP05
ADONA< 0.003 µg/L0.003 µg/L2025-10-20NEWCASTLE, CITY OF / SP03
HFPO-DA< 0.005 µg/L0.005 µg/L2025-10-20Newcastle, city of WL05 / SP05
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-10-20NEWCASTLE, CITY OF / SP04
NFDHA< 0.02 µg/L0.02 µg/L2025-10-20NEWCASTLE, CITY OF / SP02
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-10-20NEWCASTLE, CITY OF / SP03
PFBA< 0.005 µg/L0.005 µg/L2025-10-20NEWCASTLE, CITY OF / SP02
PFBS< 0.003 µg/L0.003 µg/L2025-10-20NEWCASTLE, CITY OF / SP01
PFDA< 0.003 µg/L0.003 µg/L2025-10-20NEWCASTLE, CITY OF / SP01
PFDoA< 0.003 µg/L0.003 µg/L2025-10-20NEWCASTLE, CITY OF / SP03
PFEESA< 0.003 µg/L0.003 µg/L2025-10-20NEWCASTLE, CITY OF / SP01
PFHpA< 0.003 µg/L0.003 µg/L2025-10-20NEWCASTLE, CITY OF / SP02
PFHpS< 0.003 µg/L0.003 µg/L2025-10-20Newcastle, city of WL05 / SP05
PFHxA< 0.003 µg/L0.003 µg/L2025-10-20Newcastle, city of WL05 / SP05
PFHxS< 0.003 µg/L0.003 µg/L2025-10-20Newcastle, city of WL05 / SP05
PFMBA< 0.003 µg/L0.003 µg/L2025-10-20NEWCASTLE, CITY OF / SP01
PFMPA< 0.004 µg/L0.004 µg/L2025-10-20NEWCASTLE, CITY OF / SP04
PFNA< 0.004 µg/L0.004 µg/L2025-10-20NEWCASTLE, CITY OF / SP03
PFOA< 0.004 µg/L0.004 µg/L2025-10-20NEWCASTLE, CITY OF / SP01
PFOS< 0.004 µg/L0.004 µg/L2025-10-20NEWCASTLE, CITY OF / SP01
PFPeA< 0.003 µg/L0.003 µg/L2025-10-20Newcastle, city of WL05 / SP05
PFPeS< 0.004 µg/L0.004 µg/L2025-10-20NEWCASTLE, CITY OF / SP02
PFTA< 0.008 µg/L0.008 µg/L2025-10-20NEWCASTLE, CITY OF / SP04
PFTrDA< 0.007 µg/L0.007 µg/L2025-10-20NEWCASTLE, CITY OF / SP01
PFUnA< 0.002 µg/L0.002 µg/L2025-10-20NEWCASTLE, CITY OF / SP03
lithium< 9 µg/L9 µg/L2025-10-20Newcastle, city of WL05 / SP05

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) 0.001 mg/L2026-01-01 – 2026-12-312026Q3
Lead (PB90) 0.001 mg/L2025-01-01 – 2025-12-312026Q3
Lead (PB90) 0.003 mg/L2024-01-01 – 2024-12-312026Q3
Lead (PB90) 0.003 mg/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0.002 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0.002 mg/L2018-01-01 – 2020-12-312026Q3
Lead (PB90) 0.001 mg/L2017-01-01 – 2017-12-312026Q3
Lead (PB90) 0.007 mg/L2010-01-01 – 2012-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
NITRATE-NITRITE0.22 mg/L2026-06-23SP01 / Wyoming selected chemical sample panels
NITRATE-NITRITE0.21 mg/L2026-06-23SP02 / Wyoming selected chemical sample panels
NITRATE-NITRITE0.23 mg/L2026-06-23SP03 / Wyoming selected chemical sample panels
NITRATE-NITRITE0.24 mg/L2026-06-23SP04 / Wyoming selected chemical sample panels
NITRATE-NITRITE0.23 mg/L2026-06-23SP05 / Wyoming selected chemical sample panels
ARSENIC0.002 mg/L2026-04-14SP01 / Wyoming selected chemical sample panels
BARIUM0.12 mg/L2026-04-14SP01 / Wyoming selected chemical sample panels
CADMIUM< 0.001 mg/L2026-04-14SP01 / Wyoming selected chemical sample panels
CHROMIUM< 0.005 mg/L2026-04-14SP01 / Wyoming selected chemical sample panels
MERCURY< 0.0001 mg/L2026-04-14SP01 / Wyoming selected chemical sample panels
NICKEL< 0.01 mg/L2026-04-14SP01 / Wyoming selected chemical sample panels
SELENIUM0.002 mg/L2026-04-14SP01 / Wyoming 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

226 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 Report2025-07-01 – —ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2025-01-01 – 2025-12-31ResolvedNo2026Q3
Arsenic Rule / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Arsenic Rule / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Inorganic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3

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)

Stumpff, Greg: 307-746-6208

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