WaterVerge

Is Altha, FL Tap Water Safe to Drink?

Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

800 residents served 1 water system PWSID: FL1070014
Overall Score
93 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#17 of 388 in Florida Top 7% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
93/100
waterverge.com
A 93/100

Altha, FL — Water Quality Report

Altha's drinking water received a grade of A (93 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 800 residents using groundwater.

Lead levels were measured at 1.8 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 23 violations on record, including 1 health-based violation. 3 remain unresolved.

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

What to know about Altha's water

Altha ranks #17 out of 388 cities in Florida for water quality, placing it one of the best in the state.

Altha 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.

As a small community water system, Altha may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
93 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.8 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Altha, FL water safe to drink?

Concerns Identified

Altha's drinking water has significant quality concerns based on EPA testing data. With a grade of A (93/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 800 residents using groundwater (wells).

3
Active Violations
1.8 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Altha

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Altha's water quality assessment. Grade: A (93/100).

Disaster
HURRICANE HELENE

Federal disaster declaration (FEMA DR-4828). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE IDALIA

Federal disaster declaration (FEMA DR-4734). Hurricane event — may have impacted local water infrastructure.

Violation
3 drinking water violations recorded

Contaminants: Lead and Copper Rule, E. COLI, Revised Total Coliform Rule.

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Key contaminant findings

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

Lead Within Limits
Detected: 1.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Altha's water system has 23 total violations on record, including 1 health-based violation. 3 remain unresolved.

MRMONOtherMCL
Most recent violations:
Jan 2018 Lead and Copper Rule Open
Jan 2018 E. COLI Resolved
Jan 2018 Revised Total Coliform Rule Resolved
Jul 2009 Total Haloacetic Acids (HAA5) Resolved
Jul 2009 TTHM Resolved

Flood & environmental risk

Calhoun County has experienced 10 federally declared disasters since 2018. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Apalachicola River Nr Blountstown,Florida, Chipola River Nr Altha, Fla..

HURRICANE HELENE
Hurricane FEMA DR-4828
HURRICANE IDALIA
Hurricane FEMA DR-4734
HURRICANE NICOLE
Hurricane FEMA DR-4680

Where does Altha's water come from?

Altha's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 800 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Apalachicola River Nr Blountstown,Florida (river), Chipola River Nr Altha, Fla. (river).

What Altha residents can do

Install a water filter

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

Altha'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
1.8 ppb
EPA Action Level: 15 ppb · 12% of limit
Safe Level
Compliance Record

Violation summary

23
Total violations
1
Health-based
3
Active / unresolved
Jan 2018
Most recent violation
Compliance Record

Violations & advisories

23 Total
3 Active
1 Health-based
20 Resolved
Violations by category
Total Coliform Rule
8
Inorganic Chemicals
6
Stage 1 Disinfectants and Disinfection Byproducts Rule
2
Lead and Copper Rule
1
Ground Water Rule
1
Jan 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2018 Resolved
E. COLI
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2018
Jan 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jan 2018
Jul 2009 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2009
Jul 2009 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2009
Jul 2008 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2008
Jun 2008 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Jul 1999 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1999
Jul 1997 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1997
Oct 1996 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1996
Jul 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1993
Nov 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 1992
Jul 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1992
Sep 1987 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1990
Sep 1987 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1990
Sep 1987 Resolved
Fluoride
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1990
Sep 1987 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1990
Sep 1987 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1990
Showing 20 of 23 violations
Industrial pollution

Top industrial polluters within 10 miles of Altha

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
SPANISH TRAIL LUMBER CO LLC
Wood Products · NA
MARIANNA, FL32448
9.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Altha

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Drought conditions

D4 — exceptional drought

Calhoun County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 100.0% of the county is in D4 (exceptional) drought. Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

14
Weeks at D2+ (current streak)
20.5%
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

Calhoun County has experienced 10 federally declared disasters since 2018. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2024
HURRICANE HELENE
Hurricane FEMA #4828
Aug 2023
HURRICANE IDALIA
Hurricane FEMA #4734
Dec 2022
HURRICANE NICOLE
Hurricane FEMA #4680
Sep 2022
HURRICANE IAN
Hurricane FEMA #4673
Sep 2022
TROPICAL STORM IAN
Hurricane FEMA #3584
Aug 2021
TROPICAL STORM FRED
Hurricane FEMA #3562

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.8 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 1.8 ppb from 1993 (0.0 ppb) to 2023 (1.8 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
800
Water Systems
1
Water Source

Where Altha's water comes from

Groundwater

Altha'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 800 people through 1 water system.

Local Hydrology

Water bodies near Altha

Altha is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Apalachicola River Nr Blountstown,Florida
river
Chipola River Nr Altha, Fla.
river
Infrastructure

Water systems serving Altha

System Name PWSID Population Source
ALTHA, TOWN OF WATER SYSTEM FL1070014 800 GW
Regional Comparison

How Altha compares

Full Florida rankings →

Altha's score of 93/100 is above the average of 50/100 among major Florida cities. It outscores 10 of 10 nearby cities.

Altha (this city)
93
Miami
35
Orlando
36.8
Tampa
34.4
Florida avg
50
City Profile

About Altha, FL

Wikipedia →

Altha is a small town in Calhoun County, Florida, United States. It is part of the Florida Panhandle in North Florida. The population was 496 at the 2020 census, a decrease from 536 at the 2010 census.

Economic Profile
$29,250
Median Income
$94,193
Median Home Value
$939/mo
Median Rent
0%
Unemployment
Community
38.3
Median Age
152
People / sq mi
13%
College Educated
54.7%
Homeownership
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Frequently asked questions

Is Altha, FL tap water safe to drink?

Altha's water quality earned a grade of A (93/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #17 out of 388 cities tested in Florida.

What contaminants are in Altha's water?

Lead was measured at 1.8 ppb (90th percentile). 23 violations are on record.

How is Altha'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 Altha?

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

Where does Altha's water come from?

Altha's water is sourced from Groundwater. The city has 1 water system serving approximately 800 residents.

What health violations has Altha's water system had?

Altha has 1 health-based violation on record. The most recent violation was recorded in January 2018. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Altha's groundwater at risk of contamination?

Altha 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 23 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 Altha's water compare to other cities?

Altha ranks #17 out of 388 cities in Florida (better than 96% of state cities) and #1032 out of 15744 cities nationally (94th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Altha's small water system affect quality?

Altha's system serves approximately 800 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 23 violations on record.