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UPDATE: Comment period on proposed LORS deviation extended

Corps seeks comments on proposed LORS deviation

August 14, 2019
Island Reporter, Captiva Current, Sanibel-Captiva Islander

UPDATE:

Comment period on proposed LORS deviation extended

The U.S. Army Corps of Engineers Jacksonville District has extended the comment period for a draft Environmental Assessment (EA) and proposed Finding of No Significant Impact (FONSI) for a proposed deviation to the Lake Okeechobee Regulation Schedule (LORS) 2008.

The new deadline for comments is Sept. 5, providing the public an additional 15 days to review and comment on the proposed deviation that will provide the agency additional water management flexibility at Lake Okeechobee to help address harmful algae blooms (HABs).

Due to the urgency of the potential operational changes, an expedited draft EA and proposed FONSI was prepared to assess environmental impacts associated with the proposed deviation. During the first week of the comment period, the Corps received a few requests for an extension of the initial 15-day comment period.

The draft EA and proposed FONSI are available at www.saj.usace.army.mil/Deviations/.

Comments will be accepted by mail at Jacksonville District Corps of Engineers, 701 San Marco Boulevard, Jacksonville, FL 32207-8175, and by email at Melissa.a.nasuti@usace.army.mil.

The proposed deviation would allow the Corps more flexibility during periods when HABs are present on Lake Okeechobee. The Corps could release less than LORS guidance when blooms are present, in exchange for releasing more than LORS guidance during times when blooms are not present. The goal is to release the same net amount of water as would have been released following LORS guidance, but to better time releases in an attempt to minimize potential HAB impacts.

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ORIGINAL (Aug. 14, 2019):

The U.S. Army Corps of Engineers Jacksonville District is seeking public comments to a draft Environmental Assessment (EA) and proposed Finding of No Significant Impact (FONSI) related to proposed changes to the Lake Okeechobee Regulation Schedule (LORS) 2008, which will provide the agency additional water management flexibility at Lake Okeechobee to help address harmful algae blooms (HABs) to the best of its authority.

Due to the urgency of the operational changes, an expedited draft EA and proposed FONSI was prepared to assess environmental impacts associated with this action. Both will be available for review - and open to public comment and feedback - through Aug. 21 at www.saj.usace.army.mil/About/DivisionsOffices/Planning/EnvironmentalBranch/EnvironmentalDocuments.aspx. Look in the folder for "multiple counties" to review the documents.

To submit comments, email Melissa.a.nasuti@usace.army.mil or write to the Jacksonville District Corps of Engineers, 701 San Marco Boulevard, Jacksonville, FL 32207-8175.

The proposed deviation would allow the Corps more flexibility during periods when HABs are present. The Corps could release less than LORS guidance when blooms are present, in exchange for releasing more than LORS guidance during times when blooms are not present. The goal is to release the same net amount of water as would have been released following LORS guidance, but to attempt to minimize risks posed when algal blooms are present.

"We are working closely with our federal, state and tribal interests to maximize our operational flexibility," Jacksonville District Commander Col. Andrew Kelly said. "We must still meet the Congressionally-authorized project purposes while operating to try to minimize potential health effects associated with harmful algae blooms."

The Corps proposes to implement the following actions if conditions are met for HAB operations:

- Within existing flexibility, limit or suspend releases east and west from Lake Okeechobee when HABs are present and LORS guidance allows for releases.

- Limited releases east and west to 2,000 cubic feet per second (cfs) measured at W.P. Franklin Lock & Dam (S-79) near Fort Myers and up to 730 cfs measured at St. Lucie Lock & Dam (S-80) near Stuart. This would only be applicable when LORS guidance suggests releases of 450 cfs measured at Franklin and 200 cfs measured at St. Lucie.

- Allow the flexibility to make up to maximum practicable releases south to the water conservation areas when LORS guidance does not recommend release (contingent upon conditions).

- Maintain this flexibility until LORS 2008 is replaced by a new water control plan (to be called LOSOM - Lake Okeechobee System Operating Manual) estimated for completion in 2022.

These larger releases ahead of time would allow greater flexibility so that less water would need to be released during times when HABs are present in the lake or estuaries. The cumulative volume of water released under the planned deviation will be tracked against the volume held back, that would have been released under LORS 2008. The objective is to reach a net zero balance such that the total volume released across a 12-month period is unchanged from the releases that would have taken place under the existing schedule.

HAB operations could be utilized if any one of the following conditions were present:

- If a HAB is currently in Lake Okeechobee, C-43, C-44, the Caloosahatchee Estuary, or the St. Lucie Estuary.

- If the state declares a state of emergency due to HABs on Lake Okeechobee, C-43, C-44, the Caloosahatchee Estuary, or the St. Lucie Estuary.

- If a HAB is anticipated to occur on Lake Okeechobee, C-43, C-44, the Caloosahatchee Estuary, or the St. Lucie Estuary.

- If a HAB has occurred and caused harm, or has impacted public safety during the last 18 months within Lake Okeechobee, C-43, C-44, the Caloosahatchee Estuary, or the St. Lucie Estuary.

HAB operations could be implemented soon due to increased algal activity already occurring within the system, but conditions will be evaluated according to the operational strategy before action is taken. It is important to note that when the lake is within the Water Shortage Management Band, there would not be any action taken as outlined in the operational strategy. This deviation would be in effect until a new regulation schedule, the Lake Okeechobee System Operating Manual or LOSOM, is approved.

"We don't know if or when we would need to implement this deviation, but we need to have the ability to do so when the environmental conditions make it necessary," Kelly said. "Although the lake seems very low, a not so uncommon eight inch rainfall event in the Kissimmee basin could easily result in a two foot rise in the lake. In August, that could reasonably be coupled with HABs in multiple locations. We want to have additional tools in place to discuss options for that type of scenario in the coming weeks. We will continue to work with stakeholders to maintain the right balance for Lake Okeechobee water management."

The Corps continues coordinating with tribal, state, local, and federal agencies to understand and address the impacts of Lake Okeechobee water management decisions on nearby communities. These agencies include the U.S. Fish & Wildlife Service, South Florida Water Management District, Florida Fish & Wildlife Conservation Commission, Florida Department of Environmental Protection, Miccosukee Tribe of Indians, Seminole Tribe of Florida and Everglades National Park.

 
 

 

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