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City of Aspen

Published drinking-water records and contacts for City of Aspen. System CO0149122. Review sources and dates; not a real-time water assessment.

System ID
CO0149122
State or territory
CO
Published population served
31100
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/L2025-07-09Meadowood Pump Station / 001
4:2 FTS< 0.003 µg/L0.003 µg/L2025-07-09Meadowood Pump Station / 001
6:2 FTS< 0.005 µg/L0.005 µg/L2025-07-09Meadowood Pump Station / 001
8:2 FTS< 0.005 µg/L0.005 µg/L2025-07-09Meadowood Pump Station / 001
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-07-09Meadowood Pump Station / 001
ADONA< 0.003 µg/L0.003 µg/L2025-07-09Meadowood Pump Station / 001
HFPO-DA< 0.005 µg/L0.005 µg/L2025-07-09Meadowood Pump Station / 001
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-07-09Meadowood Pump Station / 001
NFDHA< 0.02 µg/L0.02 µg/L2025-07-09Meadowood Pump Station / 001
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-07-09Meadowood Pump Station / 001
PFBA< 0.005 µg/L0.005 µg/L2025-07-09Meadowood Pump Station / 001
PFBS< 0.003 µg/L0.003 µg/L2025-07-09Meadowood Pump Station / 001
PFDA< 0.003 µg/L0.003 µg/L2025-07-09Meadowood Pump Station / 001
PFDoA< 0.003 µg/L0.003 µg/L2025-07-09Meadowood Pump Station / 001
PFEESA< 0.003 µg/L0.003 µg/L2025-07-09Meadowood Pump Station / 001
PFHpA< 0.003 µg/L0.003 µg/L2025-07-09Meadowood Pump Station / 001
PFHpS< 0.003 µg/L0.003 µg/L2025-07-09Meadowood Pump Station / 001
PFHxA< 0.003 µg/L0.003 µg/L2025-07-09Meadowood Pump Station / 001
PFHxS< 0.003 µg/L0.003 µg/L2025-07-09Meadowood Pump Station / 001
PFMBA< 0.003 µg/L0.003 µg/L2025-07-09Meadowood Pump Station / 001
PFMPA< 0.004 µg/L0.004 µg/L2025-07-09Meadowood Pump Station / 001
PFNA< 0.004 µg/L0.004 µg/L2025-07-09Meadowood Pump Station / 001
PFOA< 0.004 µg/L0.004 µg/L2025-07-09Meadowood Pump Station / 001
PFOS< 0.004 µg/L0.004 µg/L2025-07-09Meadowood Pump Station / 001
PFPeA< 0.003 µg/L0.003 µg/L2025-07-09Meadowood Pump Station / 001
PFPeS< 0.004 µg/L0.004 µg/L2025-07-09Meadowood Pump Station / 001
PFTA< 0.008 µg/L0.008 µg/L2025-07-09Meadowood Pump Station / 001
PFTrDA< 0.007 µg/L0.007 µg/L2025-07-09Meadowood Pump Station / 001
PFUnA< 0.002 µg/L0.002 µg/L2025-07-09Meadowood Pump Station / 001
lithium< 9 µg/L9 µg/L2025-07-09Meadowood Pump Station / 001

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/L2023-01-01 – 2023-12-312026Q3
Lead (PB90) 0.0011 mg/L2022-01-01 – 2022-12-312026Q3
Lead (PB90) 0.0007 mg/L2021-01-01 – 2021-12-312026Q3
Lead (PB90) 0.0007 mg/L2020-01-01 – 2020-12-312026Q3
Lead (PB90) 0.0031 mg/L2019-01-01 – 2019-12-312026Q3
Lead (PB90) 0.0011 mg/L2018-01-01 – 2018-12-312026Q3
Lead (PB90) 0 mg/L2017-01-01 – 2017-12-312026Q3
Lead (PB90) 0 mg/L2014-01-01 – 2016-12-312026Q3

Published compliance history

12 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
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2025-03-01 – 2025-03-31ResolvedNo2026Q3
Surface Water Treatment Rule / Monitoring of Treatment (SWTR-Filter)2025-03-01 – 2025-03-31ResolvedNo2026Q3
Stage 1 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)2025-01-01 – 2025-03-31ResolvedNo2026Q3
Stage 1 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)2025-01-01 – 2025-03-31ResolvedNo2026Q3
Surface Water Treatment Rule / Monitoring of Treatment (SWTR-Filter)2023-02-01 – 2023-02-28ResolvedNo2026Q3
Surface Water Treatment Rule / Monitoring of Treatment (SWTR-Filter)2022-03-01 – 2022-03-31ResolvedNo2026Q3
Interim and Long Term 1 Enhanced Surface Water Treatment Rule / Monitoring, Turbidity (Enhanced SWTR)2022-03-01 – 2022-03-31ResolvedNo2026Q3
Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R2020-10-01 – —ResolvedNo2026Q3
Interim and Long Term 1 Enhanced Surface Water Treatment Rule / Monitoring, Turbidity (Enhanced SWTR)2018-11-01 – 2018-11-30ResolvedNo2026Q3
Surface Water Treatment Rule / Monitoring of Treatment (SWTR-Filter)2018-11-01 – 2018-11-30ResolvedNo2026Q3
Surface Water Treatment Rule / Monitoring of Treatment (SWTR-Filter)2018-03-01 – 2018-03-31ResolvedNo2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2018-03-01 – 2018-03-31ResolvedNo2026Q3

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)

Loebach, Ryan: 970-920-5110

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