Hayduk Engineering is the Engineer of Record for the 210,000 gpd Sequencing Batch Reactor (SBR) Wastewater Treatment Plant (WWTP) at Stonehurst III in Coram, NY. During our tenure as Engineer of Record, Hayduk Engineering has performed investigative studies, analyses, provided operator assistance, and has designed and overseen the construction of many upgrades at the plant. Some of the recent design improvements include the replacement of existing static screen with a new dual chambered mechanically cleaned fine screen, conversion of the existing intermediate surge tank into an influent equalization tank, replacement of pumps at the influent pump station, replacement of existing polishing filters, conversion of abandoned sand filters into an intermediate pump station, expansion of the remote leaching field, and flow analysis for the plant. At the same facility, Hayduk Engineering has overseen the completion of a rehabilitation of the local disposal leaching system and engineering design improvements at a remote pumping station including a new influent grinder chamber.