Florida Well Water Problems — Diagnostic Guide & Treatment Options for Private Well Owners

FL Well Regulations & Testing Guide

What Florida law requires — and what you should test for every year.

📜 FL Well Regulations Overview Ch. 62-532 FAC

Florida Department of Environmental Protection governs water well construction, repair, and abandonment under Chapter 62-532, Florida Administrative Code.

●All water wells must be constructed by a licensed FL water well contractor (Rule 62-531). Not the same as a plumbing license — verify separately at myfloridalicense.com.
●Wells must be permitted through your county or regional Water Management District (SFWMD, SJRWMD, SWFWMD, NWFWMD).
●Abandoned wells must be properly plugged by a licensed contractor — unplugged abandoned wells are a major contamination risk in FL's shallow aquifer system.
●FL DEP recommends annual testing for all private well owners.
●Well setback requirements: minimum 75 feet from septic tank, 200 feet from drain field, 50 feet from property line with dwelling.
●After any flood event or hurricane, FL DEP may issue county-level well advisories requiring testing before resumption of use.

🗺️ FL Water Management Districts

SFWMD
South FL — Palm Beach, Broward, Miami-Dade, Monroe, Collier, Martin, St. Lucie

SJRWMD
Northeast FL — Duval, St. Johns, Volusia, Flagler, Putnam, Marion, Alachua

SWFWMD
West-Central FL — Hillsborough, Pasco, Hernando, Citrus, Polk, Sarasota, Manatee

NWFWMD
Panhandle — Escambia, Santa Rosa, Okaloosa, Walton, Bay, Washington, Holmes

Recommended FL Well Testing Panel

Order from a FL DEP-certified lab. Many offer mail-in sampling kits ($40–$150 for full panel). FL County Health Departments often offer low-cost testing.

Test	Why in FL	Frequency	Est. Cost
Total Coliform / E. coli	Bacterial contamination — most critical test	Annually	$30–$60
Nitrates	Agricultural runoff — major issue in rural FL	Annually	$15–$30
pH	Corrosivity & copper leaching risk	Annually	Included
Total Hardness	Very hard water common in Floridan Aquifer	Annually	Included
Iron	Damages appliances, stains fixtures — #1 FL complaint	Annually	$15–$30
Hydrogen Sulfide	Sulfur smell extremely common in FL wells	Annually	$15–$30
Manganese	Common in FL, neurological health concern at high levels	Annually	$15–$30
Arsenic	Naturally occurring in some FL geological formations	Every 5 yrs	$30–$50
Lead	Older pump hardware and plumbing risk	Every 5 yrs	$30–$50
PFAS ("Forever Chemicals")	Near military bases, airports, firefighter training sites in FL (Eglin, MacDill, NAS Jacksonville)	Once	$200–$400

* FL DOH county health departments often provide low-cost testing. Search FL DEP OCULUS database for certified labs near you.

🌀 Post-Hurricane Well Protocol — Required After FL Flooding

After any major FL hurricane bringing flooding near your well (Irma, Ian, Milton, etc.), assume the water is contaminated until tested. FL DEP issues county-level well advisories after major storms.

1Do NOT drink, cook, or brush teeth with well water — use bottled water immediately
2Order emergency coliform/E. coli test from FL DEP-certified lab ($30–$60) — results in 24–48 hours
3Shock chlorinate the well — call a licensed FL well contractor ($150–$350)
4Re-test 2–3 days after shock chlorination before resuming normal use

Why flooding contaminates wells: Floodwater can enter through the well casing, grout annulus, or vent cap — introducing surface bacteria (E. coli, coliform) directly into your water supply. Even wells with no visible damage may test positive.

FL Well System Lifespan Guide

FL conditions (sand, iron, sulfur, heat) accelerate wear compared to national averages.

10–15 yrs

Submersible Pump (normal FL conditions)

7–12 yrs

Submersible Pump (high iron / sand aquifer)

5–12 yrs

Pressure Tank Bladder

25–50+ yrs

Well Casing & Screen (can fail earlier in corrosive aquifer)

1–3 yrs

Sediment Pre-Filter (replace regularly)

1 yr

UV Sterilizer Bulb

⚠️ Sand Warning: FL submersible pumps in sandy aquifer areas experience accelerated wear from fine sand particles. If you see sand in your water, the pump screen has likely failed — act quickly to avoid total pump failure.

📋 Schedule a Well Inspection & Water Test

Certified FL well inspectors and DEP-certified testing services — most counties served within 48 hours.

Your Name

Phone Number

County

Well Age

Service Needed

✅ Request received! A licensed FL well inspector will contact you within 24 hours.

Treatment Options & FL Contractor Guide

Matching the right treatment to FL well water problems — with installed cost ranges.

🔬 Treatment Decision Tool — Select Your Primary Problem

🥚 Sulfur / H₂S Only — Recommended Treatment

Nuisance Level

Best for: Well water with rotten egg smell but no significant iron or color issues.

1.Aeration System — most effective, chemical-free, low maintenance
$800–$2,000 installed | Best choice for most FL homeowners
2.Activated Carbon Filter — good for low-level H₂S
$500–$1,500 installed | Requires regular media replacement
3.Chlorination Injection System — for moderate-high H₂S
$1,500–$3,000 installed | Requires chemical storage & pump
4.Shock Chlorination (first step) — kills sulfate-reducing bacteria
$150–$350 | Temporary fix; consider permanent treatment

FL Quick Fix: If the smell is only in hot water, replace your water heater's magnesium anode rod with an aluminum/zinc rod ($20 DIY). H₂S is often produced by magnesium reacting with sulfate-rich FL well water — this alone can eliminate the hot water smell.

🦀 Iron + Sulfur — Most Common FL Well Combination

Most Common FL Issue

The Floridan Aquifer typically produces water with both iron (1–10 mg/L) and hydrogen sulfide. This combo requires a system that handles both in one pass.

Treatment	Best For	FL Cost
Air Injection Oxidizing Filter	Ferrous iron + H₂S combo	$2,000–$4,000
Manganese Greensand Filter	Iron + H₂S + manganese	$2,000–$5,000
Chemical Injection + Filter	Iron bacteria present	$2,000–$4,500
Birm Filter	Ferrous iron, low H₂S	$1,500–$3,000

FL Iron Types: Test your water to identify iron type before buying treatment. Ferrous (dissolved, no color until air exposure), ferric (visible orange/rust particles), or iron bacteria (slimy orange-brown in toilet tank) each require slightly different approaches.

🪨 Hard Water / Scale — Floridan Aquifer Issue

Appliance / Plumbing Damage

Floridan Aquifer water is notoriously hard (200–400+ ppm in many FL counties). Hard water destroys water heaters, clogs fixtures, and leaves scale everywhere.

1.Salt-Based Water Softener — best for very hard water (>300 ppm)
$1,200–$2,500 installed | Requires salt refills ($20–$40/mo)
2.Salt-Free TAC (Template Assisted Crystallization) — for moderate hardness (150–300 ppm)
$1,500–$3,500 installed | No salt, no wastewater, low maintenance
3.Reverse Osmosis (drinking water only) — for under-sink soft water
$400–$1,200 installed | Does not protect appliances

FL Hardness Range: Alachua, Marion, and North-Central FL often see 300–500+ ppm hardness. South FL (Miami-Dade, Broward) municipal water is also very hard. A water softener is one of the best appliance-protecting investments for FL homeowners.

🦠 Bacterial Contamination — UV Sterilization

Health Priority

First: If you have active contamination, do not drink the water. Order a coliform/E. coli test immediately and use bottled water.

1.UV Sterilizer — gold standard for FL private wells with bacterial history
$400–$1,200 installed | Annual bulb replacement ($80–$150)
2.Shock Chlorination (immediate) — kills existing bacteria
$150–$350 | Must re-test after 48 hours
3.Chlorine Injection System — for ongoing bacterial issues
$1,500–$3,000 installed | Requires carbon post-filter

⚠️ Important: UV sterilization only works on clear water. If your water has iron, turbidity, or color, remove those first — particles block UV light and bacteria survive in their shadow. Install UV after all filtration in your treatment train.

🔵 Low pH / Corrosive Water — Pipe Protection Priority

Corrosion Risk

Low pH (acidic) well water actively corrodes copper pipes, leaches copper into water (EPA action level: 1.3 mg/L), and damages all treatment equipment downstream. Fix this first.

1.Calcite Neutralizer Filter — best for mildly acidic water (pH 6.0–6.8)
$1,200–$2,000 installed | Low maintenance, raises pH naturally
2.Soda Ash Injection System — for more severely acidic water (pH < 6.0)
$1,500–$2,500 installed | Chemical feed, precise control
3.Calcite/Corosex Blend — faster pH correction for very acidic water
$1,200–$2,200 installed

FL Areas Prone: North FL (Alachua, Columbia, Marion counties), areas with shallow sandy aquifer, and regions with high rainfall percolation through sandy, acidic soils. Blue-green stains in your sinks or tubs are the telltale sign — act quickly to protect your pipes.

⭐ Complete FL Well Water System — Typical Rural Build-Out

For most rural FL homes with Floridan Aquifer water, a layered treatment system addresses all common issues. Each stage protects the next.

1Sediment Pre-Filter
5–20 micron — protects all downstream equipment from sand & particles $200–$400
2Iron / H₂S Treatment
Air injection oxidizing filter or manganese greensand — handles FL's most common combo $2,000–$4,500
3Water Softener or TAC System
Salt-based for high hardness (>300 ppm); salt-free TAC for moderate hardness $1,200–$3,500
4UV Sterilizer
Bacterial protection — installed after filtration for maximum effectiveness $400–$1,200
5Under-Sink RO System
Final drinking water polishing — removes any remaining contaminants at point of use $400–$1,200

Total Installed (Typical FL Rural Home) $4,200–$10,800

Sizing note: Systems must be sized to your household's actual water usage (GPM peak flow) and your specific water chemistry. Always test water before purchasing — a licensed FL contractor should pull water samples and size the system accordingly.

Finding a Licensed FL Well Contractor

FL water well contractors must be licensed under Rule 62-531, FL Administrative Code — this is separate from a plumbing license. Always verify before hiring.

✅ Contractor Verification Checklist Click to check off

Use this checklist when interviewing any FL well or water treatment contractor.

Are you licensed as a FL Water Well Contractor under Rule 62-531? (Verify at myfloridalicense.com → "Water Well Contractor")
Will you pull the required county well permit for any new well or major repair?
Can I see the original drilling log (well completion report) for my well?
What water test do you recommend before proposing any treatment system?
Do you offer a performance guarantee on any water treatment system you install?
Will the treatment system be sized for my actual household flow rate (not just a generic system)?
Are you insured for well contractor liability in Florida?

Red flag: Any contractor who recommends a treatment system without first testing your water.

🚨

Call Today

No water, flooding near well, recurring illness, post-hurricane

⚠️

Within a Week

Pump running constantly, low pressure, severe staining or smell

📅

Plan Ahead

Annual test overdue, water softener sizing, treatment upgrade

FL Well Maintenance Schedule

Maintenance Item	Frequency	Est. Cost
Water test — basic panel (coliform, nitrates, pH, iron)	Annually	$50–$150
Shock chlorination	Every 1–3 yrs	$150–$350
Sediment pre-filter cartridge	Every 3–6 months	$20–$60
Water softener — salt refill	Monthly	$20–$40/bag
UV sterilizer bulb	Annually	$80–$150
Pressure tank inspection	Every 3 years	Included in service call
RO membrane replacement	Every 2–3 years	$50–$200
Full pump inspection	Every 5 years	$200–$400

🔧 Connect with Licensed FL Well & Treatment Contractors

Licensed FL water well contractors and water treatment specialists — rural FL coverage including Palm Beach, Martin, Okeechobee, Highlands & surrounding counties.