WaterVerge

Is Florence, OR Tap Water Safe to Drink?

Graded A-, with 8 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

14K residents served 2 water systems PWSID: OR4100299
Overall Score
88.6 / 100
Violations
8 active
Last Updated
May 2026
Source
Groundwater
#18 of 213 in Oregon Top 21% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
88.6/100
waterverge.com
A- 88.6/100

Florence, OR — Water Quality Report

Florence's drinking water received a grade of A- (88.6 out of 100), indicating good water quality. The city's 2 water systems serve approximately 14,482 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 51 violations on record, including 6 health-based violations. 8 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Florence's water

Florence ranks #18 out of 213 cities in Oregon for water quality, placing it one of the best in the state.

Florence relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

Quality Breakdown

Water quality score

See methodology →
88.6 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
38.6/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
No PFAS compounds detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Florence, OR water safe to drink?

Concerns Identified

Florence's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 14,482 residents using groundwater (wells).

8
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
7 events
Disaster History

Recent water quality updates for Florence

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Florence's water quality assessment. Grade: A- (88.6/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Groundwater Rule.

Violation
1 drinking water violation recorded

Contaminants: Groundwater Rule.

Disaster
SEVERE WINTER STORM, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4055). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3228). Coastal Storm event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Florence's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Florence's water system has 51 total violations on record, including 6 health-based violations. 8 remain unresolved. 1 violation was issued in the last 5 years.

OtherTTMRMCL
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Sep 2019 Groundwater Rule Resolved
Mar 2015 Groundwater Rule Resolved
Oct 2014 Surface Water Treatment Rule Resolved
Oct 2014 Interim Enhanced Surface Water Treatment Rule Resolved

Flood & environmental risk

Lane County has experienced 7 federally declared disasters since 1964. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE WINTER STORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4055
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3228
FLOODING, LAND, MUD SLIDES, HIGH WINDS,SEVERE STORMS
Flood FEMA DR-1149

Where does Florence's water come from?

Florence's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 14,482 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Florence residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Florence's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Florence's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
4.2 µg/L
EPA MCL: 60 µg/L · 7% of limit
Within LimitUCMR 4 DataHAA6Br: 5.2 µg/LHAA9: 8.7 µg/L
Manganese
Inorganic
Detected
21.0 µg/L
EPA Secondary MCL: 50 µg/L · 42% of limit
DetectedUCMR 4 Data
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

51
Total violations
6
Health-based
8
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

51 Total
8 Active
6 Health-based
43 Resolved
Violations by category
Total Coliform Rule
18
Surface Water Treatment Rule
12
Inorganic Chemicals
6
Consumer Confidence Rule
3
Ground Water Rule
2
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Jan 2000 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Dec 1997 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jan 1992 Active
Surface Water Treatment Rule
Treatment Technique
Health-Based Health 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Sep 2019 Resolved
Groundwater Rule
Treatment Technique
Health-Based Health Resolved Sep 2019
Mar 2015 Resolved
Groundwater Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2015
Oct 2014 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2014
Oct 2014 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2014
Oct 2014 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2014
Aug 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2007
Sep 2004 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2004
Mar 2004 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2004
Nov 2003 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2003
Sep 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2003
Jun 2003 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2003
Jun 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2003
Showing 20 of 51 violations
Environmental Risk

Drought conditions

D2 — severe drought

Lane County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

7
Weeks at D2+ (current streak)
32.6%
Months in D2+ (last 30y)
7
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

7
Declared disasters
Mar 2012
Most recent
Flood
Most common type

Lane County has experienced 7 federally declared disasters since 1964. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Mar 2012
SEVERE WINTER STORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4055
Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3228
Dec 1996
FLOODING, LAND, MUD SLIDES, HIGH WINDS,SEVERE STORMS
Flood FEMA #1149
Feb 1996
HIGH WINDS, SEVERE STORMS AND FLOODING
Flood FEMA #1099
Jan 1974
SEVERE STORMS, SNOWMELT & FLOODING
Flood FEMA #413
Jan 1972
SEVERE STORMS & FLOODING
Flood FEMA #319

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 12.3 ppb from 1992 (12.3 ppb) to 2026 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
14,482
Water Systems
2
Source breakdown
Groundwater
1
Surface Water
1
Water Source

Where Florence's water comes from

Groundwater

Florence's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 14,482 people through 2 water systems.

Infrastructure

Water systems serving Florence

System Name PWSID Population Source
FLORENCE, CITY OF OR4100299 9,561 GW
HECETA WATER PEOPLES UTILITY DISTRICT OR4100301 4,921 SW
Regional Comparison

How Florence compares

Full Oregon rankings →

Florence's score of 88.6/100 is above the average of 42/100 among major Oregon cities. It outscores 10 of 10 nearby cities.

Florence (this city)
88.6
Portland
39.4
Beaverton
40.7
Salem
43.6
Eugene
28
Bend
41
Oregon avg
42
City Profile

About Florence, OR

Economic Profile
$57,568
Median Income
$311,286
Median Home Value
$1,150/mo
Median Rent
6.6%
Unemployment
Community
57.7
Median Age
655
People / sq mi
25%
College Educated
65.3%
Homeownership
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Frequently asked questions

Is Florence, OR tap water safe to drink?

Florence's water quality earned a grade of A- (88.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #18 out of 213 cities tested in Oregon.

What contaminants are in Florence's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 51 violations are on record.

How is Florence's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Florence?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Florence's water come from?

Florence's water is sourced from Groundwater. The city has 2 water systems serving approximately 14,482 residents.

What health violations has Florence's water system had?

Florence has 6 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.

Is Florence's groundwater at risk of contamination?

Florence uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 51 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Florence's water compare to other cities?

Florence ranks #18 out of 213 cities in Oregon (better than 92% of state cities) and #3337 out of 15744 cities nationally (79th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.