STATE OF WATER

SJRAs GRP Program - Implementing Conjunctive Use in Montgomery CountyJune, 2016Jace A. Houston, General ManagerSan Jacinto River Authority

San Jacinto River AuthorityCreated in 1937; seven member board appointed by the Governor

Primary purpose Long-term, regional water resource planning and development

Secondary benefit Partnering with local entities on water-related projects or services (such as regional water and wastewater systems, dam and drainage system maintenance, and development of new drinking water supplies)

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Groundwater Reduction Plan

Why the GRP program?Montgomery County has a water supply problem.Regulations were adopted to force utilities to find a solution.SJRA offered a regional solution that proposed conjunctive use of surface water from Lake Conroe.SJRAs proposal was made available to all regulated utilities in the county on a cost-equal basis regardless of their location.85 entities chose to join representing 80% of county demand.

201520452035202520602055Regulated Groundwater Available

The goal of the SJRAs proposed GRP is to create a countywide solution that is available for ALL LVGUs in the county. In other words, a plan that allows us ALL to achieve compliance with the LSGCDs rules.

The Lone Stars rules specifically allow LVGUs to join together to form a regional solution. Any LVGU that chooses to join the SJRAs plan would be considered in compliance with the LSGCDs groundwater reduction requirements.

This group approach to compliance is the key to creating the LOWEST POSSIBLE COST for all water users in the county.

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City of ConroeThe WoodlandsLake ConroeMontgomery CountyGRP ParticipantsCity of WillisCity of MagnoliaCity of Oak Ridge NorthHarris County

GRP Participants Projected Water Demand

This chart illustrates our strategy for meeting the regulatory requirements by expanding surface water capacity and reducing groundwater use at ten year intervals.

New growth will be allowed to use groundwater as long as the average over the milestone years is