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 ↓
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.
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.
Water quality score
See methodology →Is Altha, FL water safe to drink?
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).
Recent water quality updates for Altha
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Altha's water quality assessment. Grade: A (93/100).
Federal disaster declaration (FEMA DR-4828). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4734). Hurricane event — may have impacted local water infrastructure.
Contaminants: Lead and Copper Rule, E. COLI, Revised Total Coliform Rule.
Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Altha's water supply.
Well within EPA limits.
Violation history
Altha's water system has 23 total violations on record, including 1 health-based violation. 3 remain unresolved.
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..
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
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Altha's water.
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.
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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
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.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
SPANISH TRAIL LUMBER CO LLC MARIANNA, FL32448 | — | — | 9.7 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
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.
- UNITED METALS INC8.2 mi
Source: EPA Superfund National Priorities List
Drought conditions
D4 — exceptional droughtCalhoun 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.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
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.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 1.8 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Altha compares by contaminant
Explore where Altha ranks among all Florida cities for specific contaminants.
Water source & infrastructure
Where Altha's water comes from
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.
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.
Water systems serving Altha
| System Name | PWSID | Population | Source |
|---|---|---|---|
| ALTHA, TOWN OF WATER SYSTEM | FL1070014 | 800 | GW |
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.
Nearby cities
View Florida rankings →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.
Learn more about your water
Guides and resources related to Altha's water quality findings.
Explore water quality across Calhoun
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.