City of Florence

Published drinking-water records and contacts for City of Florence. System CO0122500. Review sources and dates; not a real-time water assessment.

System ID: CO0122500
State or territory: CO
Published population served: 7500
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 120 — 2025-03-04 – 2025-12-02
Lead and copper monitoring summaries: 17 — 1993-07-01 – 2025-12-31

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
Substance	Published result	Reporting limit	Sample date	Sampling location
11Cl-PF3OUdS	< 0.005 µg/L	0.005 µg/L	2025-12-02	SOUTH WTP / 008
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2025-12-02	SOUTH WTP / 008
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2025-12-02	SOUTH WTP / 008
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2025-12-02	SOUTH WTP / 008
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2025-12-02	SOUTH WTP / 008
ADONA	< 0.003 µg/L	0.003 µg/L	2025-12-02	SOUTH WTP / 008
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2025-12-02	SOUTH WTP / 008
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2025-12-02	SOUTH WTP / 008
NFDHA	< 0.02 µg/L	0.02 µg/L	2025-12-02	SOUTH WTP / 008
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2025-12-02	SOUTH WTP / 008
PFBA	< 0.005 µg/L	0.005 µg/L	2025-12-02	SOUTH WTP / 008
PFBS	< 0.003 µg/L	0.003 µg/L	2025-12-02	SOUTH WTP / 008
PFDA	< 0.003 µg/L	0.003 µg/L	2025-12-02	SOUTH WTP / 008
PFDoA	< 0.003 µg/L	0.003 µg/L	2025-12-02	SOUTH WTP / 008
PFEESA	< 0.003 µg/L	0.003 µg/L	2025-12-02	SOUTH WTP / 008
PFHpA	< 0.003 µg/L	0.003 µg/L	2025-12-02	SOUTH WTP / 008
PFHpS	< 0.003 µg/L	0.003 µg/L	2025-12-02	SOUTH WTP / 008
PFHxA	< 0.003 µg/L	0.003 µg/L	2025-12-02	SOUTH WTP / 008
PFHxS	< 0.003 µg/L	0.003 µg/L	2025-12-02	SOUTH WTP / 008
PFMBA	< 0.003 µg/L	0.003 µg/L	2025-12-02	SOUTH WTP / 008
PFMPA	< 0.004 µg/L	0.004 µg/L	2025-12-02	SOUTH WTP / 008
PFNA	< 0.004 µg/L	0.004 µg/L	2025-12-02	SOUTH WTP / 008
PFOA	< 0.004 µg/L	0.004 µg/L	2025-12-02	SOUTH WTP / 008
PFOS	< 0.004 µg/L	0.004 µg/L	2025-12-02	SOUTH WTP / 008
PFPeA	< 0.003 µg/L	0.003 µg/L	2025-12-02	SOUTH WTP / 008
PFPeS	< 0.004 µg/L	0.004 µg/L	2025-12-02	SOUTH WTP / 008
PFTA	< 0.008 µg/L	0.008 µg/L	2025-12-02	SOUTH WTP / 008
PFTrDA	< 0.007 µg/L	0.007 µg/L	2025-12-02	SOUTH WTP / 008
PFUnA	< 0.002 µg/L	0.002 µg/L	2025-12-02	SOUTH WTP / 008
lithium	10 µg/L	9 µg/L	2025-12-02	SOUTH WTP / 008

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
Substance	Published 90th percentile	Monitoring period	Source quarter
Lead (PB90)	0 mg/L	2023-01-01 – 2025-12-31	2026Q3
Lead (PB90)	0 mg/L	2021-01-01 – 2021-12-31	2026Q3
Lead (PB90)	0.0011 mg/L	2020-01-01 – 2020-12-31	2026Q3
Lead (PB90)	0 mg/L	2019-01-01 – 2019-12-31	2026Q3
Lead (PB90)	0.0007 mg/L	2018-01-01 – 2018-12-31	2026Q3
Lead (PB90)	0.0005 mg/L	2017-01-01 – 2017-12-31	2026Q3
Lead (PB90)	0.0017 mg/L	2014-01-01 – 2016-12-31	2026Q3
Lead (PB90)	0.008 mg/L	2011-01-01 – 2013-12-31	2026Q3

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 / record	Period	Recorded status	Health-based (EPA classification)	Source quarter
Revised Total Coliform Rule / Report Sample Result/Fail Monitor (RTCR)	2026-05-01 – —	Resolved	No	2026Q3
Surface Water Treatment Rule / Monitoring of Treatment (SWTR-Filter)	2026-05-01 – 2026-05-31	Resolved	No	2026Q3
Stage 1 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)	2026-04-01 – 2026-06-30	Resolved	No	2026Q3
Stage 1 Disinfectants and Disinfection Byproducts Rule / Treatment Technique Precursor Removal	2025-07-01 – 2025-09-30	Resolved	Yes	2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)	2023-07-01 – 2023-09-30	Resolved	No	2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)	2023-06-01 – 2023-06-30	Resolved	No	2026Q3
Surface Water Treatment Rule / Monitoring of Treatment (SWTR-Filter)	2023-06-01 – 2023-06-30	Resolved	No	2026Q3
Stage 1 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)	2023-04-01 – 2023-06-30	Resolved	No	2026Q3
Revised Total Coliform Rule / Sample Siting Plan Errors (RTCR)	2022-04-11 – —	Resolved	No	2026Q3
Synthetic Organic Chemicals / Monitoring, Regular	2022-01-01 – 2022-12-31	Resolved	No	2026Q3
Synthetic Organic Chemicals / Monitoring, Regular	2020-01-01 – 2020-12-31	Resolved	No	2026Q3
Long Term 2 Enhanced Surface Water Treatment Rule / Monitoring, Source Water (LT2)	2017-10-01 – 2017-10-31	Resolved	No	2026Q3

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17

Administrative contact (EPA filing)

Harris, Brandon: 719-784-0618

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