SEMINOLE COUNTY GOVERNMENT
Florida's Natural Choice
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CONTACT INFORMATION

 
Environmental Services

Physical

500 West Lake Mary Blvd
Sanford, FL 32773-7499
Phone: (407) 665-2010
Fax: (407) 665-2019

Mailing
P.O. Box 958443
Lake Mary, FL 32795-8443
Phone: (407) 665-2110 (normal)
Phone: (407) 665-0005 (after hrs)

Billing/Business Office -
E-mail
Phone:(407) 665-2110

One Stop Permitting -
E-mail 
Phone: (407) 665-2143

Utilities Engineering - 
E-mail
Phone: (407) 665-2024

Water/Wastewater Division - E-mail
Phone: (407) 665-2010

After Hours Emergency
Phone: (407) 665-2767

Water Conservation -
E-mail
Phone: (407) 665-2121

Solid Waste Management Division
E-mail
1950 State Road 419
Longwood, FL 32750
Phone: (407) 665-2260
 



Environmental Services


Greenwood Lakes Wastewater Treatment Facility

The County's Greenwood Lakes Wastewater Facility, located in Lake Mary, treats approximately 840 million gallons of wastewater a year. Of this total, 365 million gallons were reclaimed for irrigation.

Currently the County has 122 reclaimed water commercial customers, including a car wash. In February 2008 there will be an addition of approximately 922 residential customers, with an average daily flow of 1 million gallons a day, saving potable water for drinking purposes.

Raw sewage is collected and pumped through force mains to the treatment facility (Fig. 1). Larger particles such as rags and grit are removed before sending the sewage to the oxidation ditches for treatment.

The liquid, or effluent, is filtered (Fig. 2), then disinfected with sodium hypochlorite (Fig. 3) before it is sent out as Public Access reclaimed water for irrigation purposes (Fig. 4).

The quality of the effluent is continuously monitored for turbidity, ph and chlorine. (Fig. 6)

Plant operation is also continuously monitored through the County SCADA system (Fig. 7) 24 hours a day, 7 days a week.

Micro-organisms use the sewage for food and produce a stabilized sludge.

The sludge is pressed into a cake-like substance (Fig. 8). The monthly average of cake sludge produced for 2006 was 654 tons at a 12% solids.

These solids are then transported (Fig. 9) to a facility by a contractor that further treats the sludge to a Class AA biosolid, that can be used as a fertilizer for crops.


Fig. 1 - Master Pump Station/Pretreatment area


Fig. 2 - Effluent is filtered


Fig. 3 - Effluent is disinfected with sodium hypochlorite


Fig. 4 - Water for irrigation purposes


Fig. 6 - Effluent is continuously monitored


Fig. 7 - County SCADA system


Fig. 8 - Sludge is pressed into a cake-like substance


Fig. 9 - The solids are transported