This document appears to show the process by which SRWMD, SJRWMD, FDEP, JEA, and three other water utilities decided on Water First North Florida (WFNF),
their plan to pipe treated wastewater from Jacksonville into the Suwannee River Basin.
Thanks to Amy Brown, SRWMD Deputy Executive Director, Water Resources,
for sending this document.
A copy of the document is
on the WWALS website,
and images of each page are below.
The discussion below is my opinion and nobody at SRWMD is responsible for it.
How WFNF was chosen and desalination was rejected, SRWMD, SJRWD, JEA, FDEP, et al., January 2025
Notably missing from the options that were considered is
wells at wetlands below planted pine plantations,
as proposed by Dennis J. Price, PG, back in 2016.
No reason is given for why.
Page 34 has a summary of why desalination was rejected:
Desalination (for comparative reference- not recommended for further
study): Several desalination alternatives were considered in the
evaluation. Desalination at Coquina would desalinate ocean water
from the east coast in the Jacksonville area and pump it to the
conceptual recharge area. Desalination at the Gulf Coast would
desalinate water from a location on the west coast and pump it to
the recharge area. The Pumping Replacement alternative would
desalinate saltwater from the Jacksonville area and replace
groundwater as a water supply for all four participating utilities.
The desalination alternatives are not recommended for further
evaluation because of:
1) High capital and operation and maintenance
cost, partly due to the treatment process itself, and partly due to
the high cost of brine disposal,
2) Managing brine disposal incurs
significant technical and regulatory challenges,
3) Replacement of
all four participating utility groundwater pumping with desalinated
seawater would not meet the full MFL requirements, and
4) Ocean
desalination does not address the requirements of Senate Bill 64 to
put reclaimed water to beneficial use.
Let’s address each of those four points: Continue reading →