40C-8.031 : Minimum Surface Water Levels and Flows and Groundwater Levels - Florida Administrative Rules, Law, Code, Register

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Rule Title: Minimum Surface Water Levels and Flows and Groundwater Levels
Department:	WATER MANAGEMENT DISTRICTS	Add to MyFLRules Favorites
Division:	St. Johns River Water Management District
Chapter:	MINIMUM FLOWS AND LEVELS

Latest version of the final adopted rule presented in Florida Administrative Code (FAC):

	Effective Date:	9/28/2021
	History Notes:	Rulemaking 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, 5-12-03, 11-10-03, 1-12-04, 2-1-06, 12-3-06, 5-10-07, 5-24-07, 1-11-10, 8-22-13, 4-3-14, 11-25-14, 12-31-14, 1-31-16 (4)(aaa), 1-31-16 (4)(ssss), 2-1-17 (4)(w), 2-1-17 (6), (8), 6-27-17 (7), 6-29-17 (5), (8), (9), 1-30-19, 9-30-20, 9-28-21.
	References in this version:	Ref-07783 Baseline Flow (incorporated by reference in 40C-8.031(6)(b)) Ref-08325 Alexander Springs adjusted flow-time series data Ref-08326 Gemini Springs adjusted flow-time series data Ref-08327 Silver Glen Springs adjusted flow-time series data Ref-10225 Lochloosa Lake Time Series Data Ref-12168 Lake Butler time series data from 1949-2018 Ref-13524 Lake Brooklyn MFL time series data (September 2021) Ref-13525 Lake Geneva MFL time series data (September 2021)

History of this Rule since Jan. 6, 2006

Section	Description	ID	Publish Date

Public Meeting 40C-8.031	The St. Johns River Water Management District (District) will hold a public meeting as part of the peer review of the draft Wekiva River Basin .... May 17, 2024, beginning at 10:00 a.m. Microsoft TEAMS meeting Link: https://tinyurl.com/4symrrvj Microsoft ....	28328770	5/6/2024 Vol. 50/89
Public Meeting 40C-8.031	The St. Johns River Water Management District (District) will hold a public meeting as part of the peer review of the draft Wekiva River Basin .... March 15, 2024, beginning at 10:00 a.m. Microsoft TEAMS meeting Link: http://tinyurl.com/44v24k4y Microsoft ....	28121675	3/5/2024 Vol. 50/45
Public Meeting 40C-8.031	The St. Johns River Water Management District (District) will hold a public meeting as part of the peer review of the draft Apshawa Lake South .... March 20, 2024, beginning at 10:00 a.m. Microsoft TEAMS meeting Link: http://tinyurl.com/swx9tn8w Microsoft ....	28105670	2/29/2024 Vol. 50/42
Public Meeting 40C-8.031	The St. Johns River Water Management District (District) will hold a public meeting as part of the peer review of the draft Wekiva River Basin .... February 23, 2024, beginning at 9:00 a.m. St. Johns River Water Management District Apopka Service Center 2501 ....	28011580	2/1/2024 Vol. 50/22
Public Meeting 40C-8.031	The St. Johns River Water Management District (District) will hold a virtual meeting on February 7th as part of the peer review process for .... February 7, 2024, beginning at 10:00 a.m. Microsoft Teams Meeting (Online): http://tinyurl.com/44wpmbvh Call ....	27992665	1/26/2024 Vol. 50/18
Public Meeting 40C-8.031	The St. Johns River Water Management District (District) will hold a virtual meeting on February 5th as part of the peer review process for .... February 5, 2024, beginning at 1:00 p.m. Microsoft Teams Meeting (Online): http://tinyurl.com/4432prtk Call ....	27992471	1/26/2024 Vol. 50/18
Public Meeting 40C-8.031	The St. Johns River Water Management District (District) will hold a public meeting to kick-off the peer review of the draft Apshawa Lake South .... February 15, 2024, beginning at 10:00 a.m. St. Johns River Water Management District Apopka Service Center 2501 ....	27960946	1/18/2024 Vol. 50/12
Public Meeting 40C-8.031	The St. Johns River Water Management District (District) will hold a public meeting to kick-off the peer review of the draft Wekiva River basin .... January 23, 2024, beginning at 10:00 a.m. Wekiwa Springs State Park Recreation Hall 1800 Wekiwa Cir Apopka, ....	27910312	12/28/2023 Vol. 49/250
Public Meeting 40C-8.031	The St. Johns River Water Management District (District) will hold a virtual meeting on January 12th as part of the peer review process for .... January 12, 2024, beginning at 10:30 a.m. Microsoft Teams Meeting (Online): https://tinyurl.com/2rfm6ame Call ....	27910021	12/28/2023 Vol. 49/250
Public Meeting 40C-8.031	The St. Johns River Water Management District (District) will hold a virtual meeting on January 16th as part of the peer review process for .... January 16, 2024, beginning at 9:00 a.m. Microsoft Teams Meeting (Online): https://tinyurl.com/28db66cc Call ....	27909536	12/28/2023 Vol. 49/250
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a kick-off meeting for the Lake Prevatt MFLs HSPF model peer review. This model will .... December 11, 2023, beginning at 10:00 a.m. Wekiwa Springs State Park Recreation Hall, 1800 Wekiwa Cir., ....	27762581	11/9/2023 Vol. 49/219
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a public meeting to discuss draft Wekiva Basin, Apshawa Lake South, and Sylvan Lake .... November 27, 2023, beginning at 10:00 a.m. Webinar registration link (need to register in advance of meeting): ....	27760447	11/8/2023 Vol. 49/218
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a kick-off meeting for the Crystal Chain of Lakes MFLs HSPF model peer review. This .... December 13, 2023, beginning at 10:00 a.m. Lake Mary City Hall, 100 N Country Club Rd, Lake Mary, FL 32746 Microsoft ....	27759477	11/8/2023 Vol. 49/218
Public Meeting 40C-8.031	The St. Johns River Water Management District will participate in a joint workshop with Southwest and South Florida water management districts, .... September 1, 2023, 10:00 a.m. Webinar: Public meeting will be available online via Zoom. Please ....	27411635	8/8/2023 Vol. 49/153
Public Meeting 40C-8.031	The St. Johns River Water Management District will participate in a joint workshop with Southwest and South Florida water management districts, .... September 1, 2022, beginning at 10:00 a.m. Webinar: Public meeting will be available online via Zoom. Please ....	26157134	8/9/2022 Vol. 48/154
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a virtual webinar on May 12th as part of the peer review process for the surface water .... May 12, 2022, beginning at 2:00 p.m. Webinar: https://bit.ly/3vQmJDB Call in number: 1-386-256-1151 ....	25817052	5/3/2022 Vol. 48/86
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a virtual webinar on April 6th as part of the peer review process for the surface water .... April 6, 2022, beginning at 2:00 p.m. Webinar: https://bit.ly/3uiVl0e Call in number: 1-386-256-1151 ....	25689691	3/23/2022 Vol. 48/57
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	25004095	Effective: 09/28/2021
Validity 40C-8.021 ......	NORTH FLORIDA UTILITY COORDINATING GROUP, CLAY COUNTY UTILITY AUTHORITY, JEA .... vs. ST. JOHNS RIVER WATER MANAGEMENT DISTRICT, Respondent.; Case No.: 21-1731RP; Rule No.: 40C-8.021, 40C-8.031; Petition	24606977	6/3/2021 Vol. 47/107
Validity 40C-8.031	NORTH FLORIDA UTILITY COORDINATING GROUP, CLAY COUNTY UTILITY AUTHORITY, JEA .... vs. ST. JOHNS RIVER WATER MANAGEMENT DISTRICT, Respondent.; Case No.: 21-1470RX; Rule No.: 40C-8.031; Petition	24535682	5/12/2021 Vol. 47/92
Proposed 40C-8.021 ......	The purpose and effect of the proposed rule amendment will be to create two new definitions in 40C-8.021 and amend the minimum water levels for Lake Brooklyn and Lake Geneva in Clay and Bradford Counties in 40C-8.031.	24418700	4/14/2021 Vol. 47/72
Public Meeting 40C-8.031	GENERAL SUBJECT MATTER TO BE CONSIDERED: The St. Johns River Water Management District will hold a public meeting to discuss draft peer review .... April 12, 2021, beginning at 1:00 p.m. Webinar: https://bit.ly/3sqsYuX Conference call: phone: ....	24353613	3/26/2021 Vol. 47/59
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a public meeting to discuss draft peer review findings for the minimum flows and levels .... March 15, 2021, beginning at 1:00 p.m. Webinar: https://bit.ly/3q170wt Conference call: phone: (386) ....	24260105	3/2/2021 Vol. 47/41
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a public meeting to kick-off the peer review of the draft Sylvan Lake MFLs report. One .... January 25, 2021, beginning at 1:00 p.m. Webinar: https://bit.ly/34Sw69c Conference call: phone: (386) ....	24043213	12/30/2020 Vol. 46/252
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a virtual public meeting to discuss initial peer review comments and take stakeholder .... December 16, 2020, 1:00 p.m. Webinar: https://bit.ly/2VlZWOm Conference call: 1-386-256-1151; ....	23945437	12/2/2020 Vol. 46/233
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	23639305	Effective: 09/30/2020
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a public meeting to kick-off the Redbug Lake HSPF model peer review. This webinar will .... October 27, 2020, beginning at 2:00 p.m. Webinar: https://bit.ly/3jg3RpW Call in number: 1-386-256-1151 ....	23703034	9/30/2020 Vol. 46/191
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a public teleconference to discuss the draft MFLs for Lakes Brooklyn and Geneva in Bradford .... September 24, 2020, 5:00 p.m. Conference call: 1(386) 256-1151, code: 139-498-853, then press ....	23623688	9/9/2020 Vol. 46/176
Development 40C-8.011 ......	The purpose and effect of the proposed amendments to rules in Chapter 40C-8, F.A.C., will be to: (1) amend the minimum water levels for Lake Brooklyn and Lake Geneva in Clay and Bradford Counties; and (2) clarify, simplify, ....	23524457	8/12/2020 Vol. 46/157
Proposed 40C-8.031	The purpose and effect of the proposed rule amendment will be to adopt a minimum water level for Lake Butler in Volusia County in 40C-8.031.	23522226	8/12/2020 Vol. 46/157
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold two public workshops, including a joint workshop with Southwest and South Florida water .... September 1, 2020, beginning at 10:00 a.m. The joint meeting with Southwest and South Florida water management ....	23516115	8/12/2020 Vol. 46/157
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a public teleconference to discuss peer reviewer selection for the MFLs Determination .... August 12, 2020, 4:00 p.m. Conference call: phone: (386) 256-1151; enter ID: 391 020 838 ....	23459370	7/24/2020 Vol. 46/144
Workshop 40C-8.031	Lake Butler MFLs workshop: CANCELED. This workshop has been canceled because no one requested a workshop in writing. The District plans to .... June 24, 2020, 4:00 p.m. – CANCELED Webinar	23358102	6/22/2020 Vol. 46/121
Development 40C-8.031	The purpose and effect of the proposed amendments to rules in Chapter 40C-8, F.A.C., will be to adopt minimum water levels for Lake Butler in Volusia County.	23329778	6/10/2020 Vol. 46/113
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold two public teleconferences, the first to discuss peer reviewer’s draft technical memorandum .... January 21, 2020 10:00 a.m. (Lake Apshawa) 11:00 a.m. (Sylvan .... Lake Apshawa Model Review Conference call: 1(888)585-9008; ....	22760097	12/26/2019 Vol. 45/249
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold two public meetings, the first meeting is to discuss initial peer review comments and .... December 3, 2019, 9:00 a.m. SJRWMD – Maitland Office, Econ Rm, 601 South Lake Destiny Road, ....	22572402	11/6/2019 Vol. 45/217
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold two public meetings, the first is a kick-off meeting for the Lake Apshawa MFLs HSPF .... October 22, 2019, beginning at 9:00 a.m. Lake Apshawa South, Lake County, Florida and Wekiwa Springs ....	22437863	10/1/2019 Vol. 45/191
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	21394628	Effective: 01/30/2019
Proposed 40C-8.021 ......	The purpose and effect of the proposed rule amendment will be to create a new definition in 40C-8.021 and adopt a minimum water level for Lochloosa Lake in Alachua County in 40C-8.031.	21246606	12/12/2018 Vol. 44/240
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a public teleconference on peer reviewer’s draft technical memorandums (TMs) that summarize .... December 13, 2018, beginning at 2:30 p.m By call-in-number only: 1-888-670-3525, participant code: 7958008877, ....	21207418	11/30/2018 Vol. 44/232
Workshop 40C-8.031	Lake Lochloosa MFLs workshop: CANCELED. This workshop has been canceled because no one requested a workshop in writing. The District still .... November 7, 2018, 4:00 pm – 5:30 pm – CANCELED St. Johns River Water Management District Headquarters, Governing ....	21107217	11/1/2018 Vol. 44/214
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a public meeting to discuss initial peer reviewer comments to the Wekiva Basin surface .... October 23, 2018, beginning at 9:00 a.m. SJRWMD - Maitland Office, Econ Rm, 601 South Lake Destiny Road, ....	21001487	10/15/2018 Vol. 44/201
Development 40C-8.011 ......	The purpose and effect of the proposed amendments to rules in Chapter 40C-8, F.A.C., will be to: (1) adopt minimum water levels for Lake Lochloosa in Alachua County; and (2) clarify, simplify, and update existing rules.	20990526	10/10/2018 Vol. 44/198
Public Meeting 40C-8.031	The St. Johns River Water Management District will hold a public kick-off meeting and field site tour to initiate the peer review process for .... September 26, 2018, beginning at 9:00 a.m. Wekiwa Springs State Park, 1800 Wekiwa Cir., Apopka, FL 32712: ....	20905360	9/18/2018 Vol. 44/182
Workshop 40C-8.031	This notice serves as a correction to the participant code provided in the Notice of Public Workshop published on August 9, 2018 in FAR Volume .... Aug. 16, 2018, at 10:00 a.m. call-in number: 1-888-670-3525, participant code: 4300576614, ....	20767135	8/13/2018 Vol. 44/157
Workshop 40C-8.031	The District will discuss and receive public comment on the peer review plan for the surface water models that will be used to evaluate and .... Aug. 16, 2018, at 10:00 a.m call-in number: 1-888-670-3525, participant code: 4366412939, ....	20758211	8/9/2018 Vol. 44/155
Development 40C-8.011 ......	The purpose and effect of the proposed amendments to rules in Chapter 40C-8, F.A.C., will be to: (1) amend the minimum water levels for Lake Brooklyn and Lake Geneva in Clay and Bradford Counties; and (2) clarify, simplify, ....	20389223	5/9/2018 Vol. 44/91
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	19079335	Effective: 06/29/2017
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	19074679	Effective: 06/27/2017
Proposed 40C-8.031	The purpose and effect of the proposed rule amendment will be to adopt minimum flows or water levels (MFLs) for the following Outstanding Florida Springs: Alexander Springs in Lake County, Gemini Springs in Volusia County, ....	18951780	5/10/2017 Vol. 43/91
Proposed 40C-8.031	The purpose and effect of the proposed amendments to 40C-8.031, F.A.C., will be to adopt minimum flows and levels for Silver Springs in Marion County.	18832761	4/12/2017 Vol. 43/71
Workshop 40C-8.031	Rule Development Workshop to discuss and receive public input on proposed rule amendments to adopt minimum flows or water levels (MFLs) for .... April 20, 2016, 4:30 p.m. – 6:30 p.m. Governing Board Room, St. Johns River Water Management District, ....	18824516	4/6/2017 Vol. 43/67
Misc 40C-8.031	Notice of Extension of Regulatory Plan Deadlines	18800654	3/31/2017 Vol. 43/63
Workshop 40C-8.031	Rule Development Workshop to discuss and receive public input on proposed rule amendments to adopt minimum flows for Silver Springs in Marion .... March 16, 2016, 4:30 p.m. – 6:30 p.m. Marion County Commission Auditorium, 601 SE 25th Ave., Ocala, ....	18664951	2/28/2017 Vol. 43/40
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	18509460	Effective: 02/01/2017
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	18501021	Effective: 02/01/2017
Correction 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	18419250	12/29/2016 Vol. 42/251
Proposed 40C-8.031	The purpose and effect of the proposed rule amendment will be to: (1) adopt a minimum spring flow for De Leon Springs in Volusia County; and (2) establish factors for determining compliance with a minimum flow or level.	18367646	12/14/2016 Vol. 42/241
Proposed 40C-8.031	The purpose and effect of the proposed rule amendment will be to revise the established minimum surface water levels for Cowpen Lake in Putnam County	18367258	12/14/2016 Vol. 42/241
Workshop 40C-8.031	Rule Development Workshop to discuss and receive public input on proposed rule amendments to adopt minimum flows for De Leon Springs in Volusia .... November 9, 2016, 1:30 p.m. – 3:30 p.m. Governing Board Room, St. Johns River Water Management District, ....	18177623	10/24/2016 Vol. 42/207
Development 40C-8.011 ......	The purpose and effect of the proposed amendments to rules in Chapter 40C-8, F.A.C., will be to: (1) adopt minimum flows or water levels for the following Outstanding Florida Springs, as defined in subsection 373.802(4), ....	18133003	10/12/2016 Vol. 42/199
Public Meeting 40C-8.031	The St. Johns River Water Management District is seeking public input as part of its work to develop minimum flows and levels (MFLs) for the .... March 22, 2016, 1:00 p.m. – 3:00 p.m. Teleconference: Call-in number: 888-670-3525 Participant ....	17207138	2/25/2016 Vol. 42/38
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	17053393	Effective: 01/31/2016
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	17048737	Effective: 01/31/2016
Public Meeting 40C-8.031	The St. Johns River Water Management District is seeking public input as part of its work to develop minimum flows and levels (MFLs) for the .... February 3 and 4, 2016, 9:00 a.m. – 4:00 p.m. each day Maitland Service Center, 601 South Lake Destiny Road, Suite ....	17006930	1/11/2016 Vol. 42/06
Proposed 40C-8.031	The purpose and effect of the proposed rule amendment will be to revise the established minimum surface water levels for Lake Tarhoe in Putnam County.	16857259	12/9/2015 Vol. 41/237
Proposed 40C-8.031	The purpose and effect of the proposed rule amendment will be to revise the established minimum surface water levels for Lake Kerr in Marion County.	16856386	12/9/2015 Vol. 41/237
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to revise the established minimum surface water levels for Lake Tarhoe in Putnam County.	16764139	11/12/2015 Vol. 41/220
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to revise the established minimum surface water levels for Lake Kerr in Marion County.	16764042	11/12/2015 Vol. 41/220
Public Meeting 40C-8.031	Scientific Peer Review Field Trip to Lake Apopka in Orange and Lake Counties, Lakes Beauclair, Dora, Eustis, Harris, Griffin and Yale in Lake .... April 28, 2015, 9:00 a.m. – 5:00 p.m. Lake View Park in Winter Garden, 31 Garden Avenue, Winter Garden, ....	15911897	4/20/2015 Vol. 41/76
Public Meeting 40C-8.031	Scientific Peer Review Field Trip to Lake Apopka in Orange and Lake Counties, Lakes Beauclair, Dora, Eustis, Harris, Griffin and Yale in Lake .... April 28, 2015, 9:00 a.m. – 5:00 p.m. Lake View Park in Winter Garden, 31 Garden Avenue, Winter Garden, ....	15886192	4/13/2015 Vol. 41/71
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	15396730	Effective: 12/31/2014
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	15264907	Effective: 11/25/2014
Proposed 40C-8.031	The purpose and effect of the proposed rule amendment will be to revise the established minimum surface water levels for Lake Como, Banana Lake, Little Lake Como, and Lake Trone in Putnam County.	15251230	11/6/2014 Vol. 40/217
Proposed 40C-8.031	The purpose and effect of the proposed rule amendment will be to revise the established minimum surface water levels for Lake Melrose in Putnam County, Lake Norris in Lake County, and Lake Purdom in Volusia County.	15135509	10/3/2014 Vol. 40/193
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to revise the established minimum surface water levels for Lake Como, Banana Lake, Little Lake Como, and Lake Trone in Putnam County.	15113199	9/29/2014 Vol. 40/189
Workshop 40C-8.031	Upper Ocklawaha Chain of Lakes MFLs workshop CANCELED. August 26, 2014, 10:00 a.m. – Noon CANCELED Mission Inn Resort & Club, 10400 County Road 48, Howey-in-the-Hills, ....	14660209	6/6/2014 Vol. 40/110
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to revise the established minimum surface water levels for Lake Melrose in Putnam County, Lake Norris in Lake County, and Lake Purdom in Volusia County.	14648278	6/4/2014 Vol. 40/108
Workshop 40C-8.031	Lower Ocklawaha River MFLs workshop CANCELED. May 20, 2014, 10:00 a.m. – Noon CANCELED Marion County Library – Ocala Branch, 2720 E. Silver Springs ....	14501905	4/30/2014 Vol. 40/84
Workshop 40C-8.031	Silver Springs and Silver River MFLs workshop CANCELED. This workshop has been CANCELED and will be rescheduled. April 22, 2014, 10:00 a.m. – Noon CANCELED Marion County Library – Ocala Branch, 2720 E. Silver Springs ....	14450495	4/15/2014 Vol. 40/73
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	14332737	Effective: 04/03/2014
Proposed 40C-8.031	The purpose and effect of the proposed rule amendment will be to add a reference to the equivalent North American Vertical Datum of 1988 (NAVD) elevation for the minimum surface water levels listed in 40C-8.031(4) and (5) ....	14115748	1/29/2014 Vol. 40/19
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to adopt: (1) minimum water levels and flows for the lower Ocklawaha River at SR40, and (2) minimum water levels for the following lakes in the following counties: ....	14017390	1/6/2014 Vol. 40/03
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to adopt minimum water levels and flows for Silver Springs and the Silver River in Marion County.	14013510	1/6/2014 Vol. 40/03
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to amend the established minimum water levels for Lake Apshawa North and Lake Apshawa South in Lake County.	13969860	12/20/2013 Vol. 39/246
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to amend the established minimum water levels for Lake Prevatt in Orange County and Sylvan Lake in Seminole County.	13969763	12/20/2013 Vol. 39/246
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to add a reference to the equivalent North American Vertical Datum of 1988 (NAVD) elevation for the minimum surface water levels listed in 40C-8.031(4) and (5) ....	13928150	12/12/2013 Vol. 39/240
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	13341203	Effective: 08/22/2013
Proposed 40C-8.031	The purpose and effect of the proposed rule amendment will be to amend the established minimum water levels for Indian Lake in Volusia County.	13101225	6/11/2013 Vol. 39/113
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to amend the established minimum water levels for Indian Lake in Volusia County.	12907128	4/23/2013 Vol. 39/79
Development 40C-8.011 ......	The St. Johns River Water Management District (SJRWMD) gives notice that it is developing rules as part of a statewide effort headed by the Florida Department of Environmental Protection (DEP) and joined by all five water ....	11752246	7/20/2012 Vol. 38/29
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to amend established minimum water levels for the following lakes in the following counties: Lake Geneva in Clay County, and Cowpen Lake and Lake Tarhoe in Putnam ....	9508054	12/23/2010 Vol. 36/51
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to (1) adopt minimum median of annual median spring flows for the following two springs in Volusia County: Green Springs and Ponce de Leon Springs; (2) adopt ....	9506502	12/23/2010 Vol. 36/51
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to (1) adopt minimum water levels for the following lakes in the following counties: Lake Avalon and Lake Hiawassee in Orange County, and Johns Lake in Lake and ....	9036052	8/27/2010 Vol. 36/34
Public Meeting 40C-8.031	Scientific Peer Review Meeting for Proposed Minimum Lake Levels in Lake, Orange, Seminole, and Volusia Counties. This meeting will re-examine .... June 3, 2010, 10:00 a.m. – 5:00 p.m. Governing Board Room, St. Johns River Water Management District ....	8671817	5/21/2010 Vol. 36/20
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	8136959	Effective: 01/11/2010
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to (1) adopt minimum water levels for the following lakes in the following counties: Lake Avalon and Lake Hiawassee in Orange County, and Johns Lake in Lake and ....	8038989	12/18/2009 Vol. 35/50
Public Hearing 40C-8.031	Final adoption hearing on amendments to Rule 40C-8.031, F.A.C., to establish or amend established minimum water levels for certain surface waters .... December 8, 2009, during the Governing Board meeting which begins .... St. Johns River Water Management District Headquarters, 4049 ....	7897078	11/13/2009 Vol. 35/45
Proposed 40C-8.031	The purpose and effect of the proposed rule amendment will be to (1) amend established minimum water levels for the following lakes in the following counties: Lake Grandin in Putnam County, and Lakes Colby and Shaw and Three ....	7752451	10/16/2009 Vol. 35/41
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to (1) amend established minimum water levels for the following lakes in the following counties: Lake Grandin in Putnam County, and Lakes Colby and Shaw and Three ....	6321701	10/24/2008 Vol. 34/43
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	4140365	Effective: 05/24/2007
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	4078770	Effective: 05/10/2007
Proposed 40C-8.031	The purpose and effect of the proposed rule amendment will be to adopt minimum levels for the St. Johns River at Lake Monroe in Seminole and Volusia counties.	3940060	4/6/2007 Vol. 33/14
Proposed 40C-8.031	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.	3921727	3/23/2007 Vol. 33/12
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	3211687	Effective: 12/03/2006
Development 40C-8.031	The purpose and effect of the proposed rule amendment will be to adopt minimum levels for the St. Johns River at Lake Monroe in Seminole and Volusia Counties.	3215082	11/22/2006 Vol. 32/47
Development 40C-8.031	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.	3182005	11/17/2006 Vol. 32/46
Change 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	3064053	10/20/2006 Vol. 32/42
Change 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	706856	9/15/2006 Vol. 32/37
Proposed 40C-8.031	The purpose and effect of this proposed rule amendment is to establish a minimum flow regime for Blue Spring in Volusia County.	346210	5/19/2006 Vol. 32/20
Final 40C-8.031	Minimum Surface Water Levels and Flows and Groundwater Levels	1678699	Effective: 02/01/2006

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