F8/100
Florence Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 7,500 residents · Colorado
What's In Florence's Tap Water?
51
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 320.00 µg/L | — | Above Goal |
EPA Violation History
7
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Unresolved
Treatment Technique Violation
When: July 1, 2025 – September 30, 2025Rule: Stage 1 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2023 – June 30, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2023 – June 30, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2023 – June 30, 2023Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Other Violation
When: April 11, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
FLORENCE CITY OF
Population Served
7,500
Water Source
Surface Water
System ID
CO0122500
Frequently Asked Questions About Florence Water
Is Florence tap water safe to drink?
Florence, Colorado tap water receives a grade of F (8/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 81 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Florence's water?
Of the 51 contaminants tested in Florence's water supply, the most notable include chlorate. No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Florence have any water quality violations?
Yes, Florence has 81 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, MR, MON. 2 of these are health-based violations, which are the most serious category.
Do I need a water filter in Florence?
Florence water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Florence's tap water come from?
Florence's drinking water is sourced from surface water and supplied by FLORENCE CITY OF. The system serves approximately 7,500 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Florence's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Florence's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Florence's water compare to other cities in Colorado?
Florence's water quality score of 8/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Colorado state page to see how all cities in the state compare.
What should I do if I'm concerned about Florence's water quality?
If you have concerns about Florence's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (FLORENCE CITY OF) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.