Instead of having a consultant create a comprehensive wastewater management plan for East Hampton Town — a plan that is to include recommendations on environmental protection, ongoing surface and groundwater quality monitoring, meeting regulatory mandates, and what to do about the town’s currently inoperable scavenger waste treatment plant — Councilwoman Theresa Quigley suggested on Tuesday budgeting perhaps as much as $10 million to subsidize upgrades of private septic systems in ecologically sensitive areas of town.