WaterVerge

Is Clio, AL Tap Water Safe to Drink?

Graded B — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

3K residents served 2 water systems PWSID: AL0000083
Overall Score
77.7 / 100
Violations
11 active
Last Updated
May 2026
Source
Groundwater
#279 of 353 in Alabama Top 57% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
77.7/100
waterverge.com
B 77.7/100

Clio, AL — Water Quality Report

Clio's drinking water received a grade of B (77.7 out of 100), indicating good water quality. The city's 2 water systems serve approximately 3,468 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 30 violations on record, including 4 health-based violations. 11 remain unresolved.

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

What to know about Clio's water

Clio ranks #279 out of 353 cities in Alabama for water quality, placing it among the lowest-rated in the state.

Clio 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.

The system has seen 11 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
77.7 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
31.7/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
20/20
A
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Clio, AL water safe to drink?

Concerns Identified

Clio's drinking water has significant quality concerns based on EPA testing data. With a grade of B (77.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,468 residents using groundwater (wells).

11
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
10 events
Disaster History

Recent water quality updates for Clio

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Clio's water quality assessment. Grade: B (77.7/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
HURRICANE HELENE

Federal disaster declaration (FEMA DR-3618). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE SALLY

Federal disaster declaration (FEMA DR-4563). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 4.31 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Clio's water system has 30 total violations on record, including 4 health-based violations. 11 remain unresolved. 11 violations were issued in the last 5 years.

OtherMONMRRPTMCL
Most recent violations:
Dec 2025 Public Notice Open
Jul 2025 Public Notice Open
Dec 2024 Revised Total Coliform Rule Resolved
Nov 2024 Revised Total Coliform Rule Resolved
Jun 2024 Revised Total Coliform Rule Resolved

Flood & environmental risk

Barbour County has experienced 10 federally declared disasters since 2004. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE HELENE
Hurricane FEMA DR-3618
HURRICANE SALLY
Hurricane FEMA DR-4563
HURRICANE SALLY
Hurricane FEMA DR-3545

Where does Clio's water come from?

Clio's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,468 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Clio residents can do

Install a water filter

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

Clio'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
Copper (90th percentile)
Inorganic
Over Limit
4.31 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
PFAS Testing

Forever chemicals overview

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

Violation summary

30
Total violations
4
Health-based
11
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

30 Total
11 Active
4 Health-based
19 Resolved
Violations by category
Revised Total Coliform Rule
7
Total Coliform Rule
7
Lead and Copper Rule
5
Public Notice Rule and Revised PN Rule
3
Synthetic Organic Chemicals
2
Dec 2025 Active
Public Notice
Other Violation 0
Jul 2025 Active
Public Notice
Other Violation 0
Jan 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
May 2022 Active
Public Notice
Other Violation 0
Apr 2022 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Apr 2022 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jan 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1997 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1995 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Dec 2024 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2024
Nov 2024 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Nov 2024
Jun 2024 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2024
Dec 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2023
Apr 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2021
Jan 2020 Resolved
LASSO
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2012 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Mar 2012
Apr 2011 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Jun 2011
Jan 2005 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Showing 20 of 30 violations
Industrial pollution

Top industrial polluters within 10 miles of Clio

Industrial polluters nearby

Reported releases to surface water by facilities near Clio, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
SOUTHEAST WOOD
Wood Products · NA
LOUISVILLE, AL36048
5.3 mi
PROWOOD LLC LOUISVILLE
Wood Products · UFP INDUSTRIES INC
LOUISVILLE, AL36048
5.2 mi
ARICHEM LLC
Chemicals · NA
ARITON, AL36311
9.4 mi
QUALITY FAB INC.
Fabricated Metals · NA
ARITON, AL36311
9.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Barbour County is currently in D3 (extreme 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.

14
Weeks at D2+ (current streak)
22.3%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

10
Declared disasters
Sep 2024
Most recent
Hurricane
Most common type

Barbour County has experienced 10 federally declared disasters since 2004. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2024
HURRICANE HELENE
Hurricane FEMA #3618
Sep 2020
HURRICANE SALLY
Hurricane FEMA #4563
Sep 2020
HURRICANE SALLY
Hurricane FEMA #3545
Oct 2018
HURRICANE MICHAEL
Hurricane FEMA #3407
Oct 2017
HURRICANE NATE
Hurricane FEMA #3394
Sep 2017
HURRICANE IRMA
Hurricane FEMA #3389

Recommended water filters

Based on contaminants detected in Clio's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 4.31 1.3 mg/L Inorganic Over Limit
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 3.0 ppb from 1993 (3.0 ppb) to 2023 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 4.310 mg/L (2002)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,468
Water Systems
2
Water Source

Where Clio's water comes from

Groundwater

Clio'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 3,468 people through 2 water systems.

Infrastructure

Water systems serving Clio

System Name PWSID Population Source
CLIO WATER WORKS AL0000083 2,832 GW
BLUE SPRINGS WATER WORKS AL0000081 636 GW
Regional Comparison

How Clio compares

Full Alabama rankings →

Clio's score of 77.7/100 is on par with the average of 78/100 among major Alabama cities. It outscores 3 of 10 nearby cities. 6 of 10 nearby cities score higher.

Clio (this city)
77.7
Birmingham
89.2
Huntsville
69.8
Montgomery
88.7
Mobile
87.9
Tuscaloosa
87.6
Alabama avg
78
City Profile

About Clio, AL

Wikipedia →

Clio is a city in Barbour County, Alabama, United States. As of the 2020 census, Clio had a population of 1,220. It is the birthplace of former Alabama governor George Wallace, as well as Baseball Hall of Famer and former Atlanta Braves broadcaster Don Sutton.

Economic Profile
$25,290
Median Income
$59,091
Median Home Value
$403/mo
Median Rent
5.3%
Unemployment
Community
43.5
Median Age
54
People / sq mi
6.8%
College Educated
51.6%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Clio, AL tap water safe to drink?

Clio's water quality earned a grade of B (77.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #279 out of 353 cities tested in Alabama.

What contaminants are in Clio's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 30 violations are on record.

How is Clio'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 Clio?

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

Where does Clio's water come from?

Clio's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,468 residents.

What health violations has Clio's water system had?

Clio has 4 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 11 violations remain unresolved.

Is Clio's groundwater at risk of contamination?

Clio 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 30 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 Clio's water compare to other cities?

Clio ranks #279 out of 353 cities in Alabama (better than 21% of state cities) and #8914 out of 15744 cities nationally (43th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.