Page 58 - Yucaipa Sustainable Groundwater Management Agency - Yucaipa SGMA

Olivenhain Municipal Water District: San Dieguito Valley Brackish Groundwater Desalination Study -
Nathan supported modeling efforts to study brackish groundwater desalination feasibility and location.
He helped collect data, complete a hydrogeologic investigation, and performed well field and raw water
collection.
City of Huntington Beach: Well 1 Replacement - Nathan performed well destruction and replacement
for the City of Huntington Beach. He supported design efforts for well casing, screen, filter pack, and
annular seal. During construction, he attended field meetings and worked with the contractor to inspect
conductor bore hole drilling, casing installation, and the sanitary seal. He also sampled and logged soil
cuttings, inspected aquifer zone testing for yield and water quality, and performed mechanical grading
analyses. Once constructed, Nathan inspected final development by pumping and surging and aquifer
pumping tests.

Yucaipa Sustainable Groundwater Management Agency - August 9, 2018 - Page 57 of 208