St. Augustine waterfront
City · St. Johns County

Aquatic weed removal in St. Augustine

St. Augustine's freshwater retention ponds scattered through residential communities host chronic aquatic vegetation.

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Local invasive pressure

What St. Augustine waters are fighting

HOA retention ponds in Saint Augustine's master-planned communities need routine mechanical maintenance.

Water hyacinthAlligator weedTorpedograss
St. Augustine lakefront aerial view
City
St. Augustine
Services in St. Augustine

Aquatic management we offer in St. Augustine

Click through for detailed pricing, methods, and FAQs specific to each service in St. Augustine.

invasive removal
Hydrilla in St. Augustine

Mechanical hydrilla removal for private Florida lakes, ponds, and HOA waterways.

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invasive removal
Water hyacinth in St. Augustine

Mechanical water hyacinth removal for Florida lakefronts, retention ponds, and HOA canals.

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water quality
Algae in St. Augustine

Filamentous algae and pond water quality management for Florida residential and HOA waterways.

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maintenance
HOA maintenance in St. Augustine

Quarterly and monthly retention pond maintenance for Florida HOAs and property managers.

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restoration
Shoreline restoration in St. Augustine

Native shoreline buffer planting and erosion control for Florida lakes and ponds.

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Estimate

Estimate your St. Augustine project

Common St. Augustine invasives: Water hyacinth, Alligator weed, Torpedograss. The calculator adjusts for typical local mix and site access.

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Quick estimate

Rough ballpark for St. Augustine-area properties. Final quote requires on-site inspection.

Estimated range
$2,100–$2,458
One-time initial clearing. Maintenance plans priced separately.

Our service area near St. Augustine

We respond within 24 hours across St. Johns County. Tap the map to see our coverage zone.

FAQs

St. Augustine aquatic weed removal — FAQs

How much does aquatic weed removal cost in St. Augustine?+
Per-visit pricing on a 1–3 acre private lake or pond in St. Augustine typically runs $1,500–$4,500 depending on coverage density, species mix, and access. Annual maintenance plans (3–4 visits) cost $7,000–$22,000 and reduce per-visit cost 30–40% versus on-call work. Heavy initial cleanups on neglected water can be $4,000–$9,000 for the first visit.
Will the state remove water hyacinth from a private lake or pond in St. Augustine?+
No. The Florida Fish and Wildlife Conservation Commission (FWC) and water management districts only manage public navigation channels and state-owned waterways. Private lakes, retention ponds, HOA water bodies, and shoreline coves in St. Augustine are the property owner's responsibility.
How fast can alligator weed spread in St. Augustine water?+
In Central Florida summer temperatures, fast-growing invasives like water hyacinth and hydrilla can double surface coverage in 8–12 days. A single dock-corner cluster in St. Augustine can blanket a half-acre cove within six weeks if untreated. Maintenance schedules of 3–4 visits per growing season are typical for keeping coverage under 5%.
Do you service St. Augustine year-round?+
Yes. We respond within 24 hours across St. Johns County year-round. Vegetation pressure peaks April through October but warmer winters in recent years have extended the active growth window into November and February. Maintenance contracts run on a calendar-year basis with visit frequency adjusted by season.
What invasives are most common in St. Augustine?+
St. Augustine water bodies most frequently see Water hyacinth, Alligator weed, Torpedograss. The exact species mix shifts seasonally and varies by water depth, nutrient loading, and recent management history. Initial site visits identify the dominant species and let us match the right harvest equipment to the job.
Are aquatic herbicides safe to use on a St. Augustine pond?+
Properly licensed, label-rate herbicide applications are legal and effective for spot treatment but rarely the right tool as a stand-alone strategy. Broadcast spraying creates decaying biomass that crashes dissolved oxygen, triggers fish kills, and recycles the nutrients that fueled the bloom. We use mechanical harvest as the primary method and reserve targeted herbicide for specific situations.
Do you handle HOA pond contracts in St. Johns County?+
Yes. We service HOA and CDD-managed retention pond networks across St. Johns County on quarterly or monthly maintenance schedules. Contracts include photo documentation, water quality testing, and stormwater compliance reports formatted for water management district submission.
St. Augustine offers

Save on your first service in St. Johns County

Apply any code when you request your quote. See our St. Augustine coupons page for terms.

New customer
$100 OFF

$100 off your first aquatic weed removal service anywhere in St. Augustine. New customers only.

Code
FIRST100
Expires
Ongoing
Hydrilla special
15% OFF

15% off hydrilla removal services on any private pond or lakefront parcel in St. Augustine.

Code
HYDRILLA25
Expires
End of season
Refer a neighbor
$75 CREDIT

Refer a neighbor whose lakefront you share. Both receive $75 off the same-visit service.

Code
NEIGHBOR
Expires
Ongoing
HOA / CDD
$250 OFF

$250 off the first contracted maintenance visit for any HOA, CDD, or private association in St. Augustine.

Code
HOA250
Expires
Ongoing
St. Augustine alerts

Know when blooms hit St. Augustine

Short seasonal emails when we see hyacinth, hydrilla, or milfoil activity around St. Augustine.