The purpose and effect of the proposed rule amendment will be to adopt minimum flows and levels for the St. Johns River at State Road 50, in Orange and Brevard Counties.

WATER MANAGEMENT DISTRICTS
St. Johns River Water Management District

RULE NO: RULE TITLE
40C-8.031: Minimum Surface Water Levels and Flows and Groundwater Levels
PURPOSE AND EFFECT: The purpose and effect of the proposed rule amendment will be to adopt minimum flows and levels for the St. Johns River at State Road 50, in Orange and Brevard Counties.
SUBJECT AREA TO BE ADDRESSED: The proposed rule would establish minimum surface water flows and levels for the St. Johns River at State Road 50 in Orange and Volusia Counties pursuant to the mandate of Section 373.042, Florida Statutes. Each of these flows and levels would have an associated duration (in days) and return interval (in years). The terms used herein are already defined in Chapter 40C-8, F.A.C. As with all minimum levels established by the District, if adopted, the minimum levels in this rule amendment would be used as a basis for imposing limitations on withdrawals of groundwater and surface water in the consumptive use permit regulatory process and for reviewing proposed surface water management systems in the environmental resource permit regulatory process.
SPECIFIC AUTHORITY: 373.044, 373.113 FS.
LAW IMPLEMENTED: 373.042, 373.0421 FS.
A RULE DEVELOPMENT WORKSHOP WILL BE HELD AT THE DATE, TIME AND PLACE SHOWN BELOW:
DATE AND TIME: December 13, 2006, 1:30 p.m. – 3:30 p.m.
PLACE: North Brevard Public Library, 2121 South Hopkins Avenue, Jacob Hannemann, Room B, Titusville, FL 32780
THE PERSON TO BE CONTACTED REGARDING THE PROPOSED RULE DEVELOPMENT AND A COPY OF THE PRELIMINARY DRAFT, IF AVAILABLE, IS: Norma K. Messer, Rules Coordinator, St. Johns River Water Management District, Office of General Counsel, P. O. Box 1429, Palatka, Florida 32178-1429, [phone], Suncom 860-4459, email [e-mail]

THE PRELIMINARY TEXT OF THE PROPOSED RULE DEVELOPMENT IS:

40C-8.031 Minimum Surface Water Levels and Flows and Groundwater Levels.

(1) The following minimum surface water levels and flows and minimum groundwater levels are established:

(a) through (g) No change.

(h) St. Johns River at SR50 in Orange and Brevard Counties.

                                                        Level                      Flow               Duration Return Interval

                                                        (ft NGVD)              (cfs)                (days)             (years)

Minimum Frequent High             8.1                           1950                30                    2

Minimum Average                       5.9                           580                  180                  1.5

Minimum Frequent Low              4.2                           140                  120                  5

Minimum Infrequent Low           2.7                           43                    60                    50

(2) through (4) No change.

Specific Authority 373.044, 373.113 FS. Law Implemented 373.042, 373.0421, 373.103, 373.415 FS. History–New 9‑16‑92, Amended 8-17-94, 6-8-95, 1-17-96, 8-20-96, 10-20-96, 11-4-98, 6-27-00, 2-13-01, 3-19-02, 5-11-03, 11-10-03, 1-12-04, 2-1-06,________.