Vision San Marcos Comprehensive Plan

Presently the San Marcos River exhibits

comparison between scenarios to

to water quality from urbanization:

exceptional water quality due to the

reflect which areas, or watersheds,

1) ADOPTION OF SPECIFIC AND / OR UPDATED WATER QUALITY REGULATIONS IN EACH SUBWATERSHED.

continuous inflow of spring water from

are more likely to be impacted as a

Spring Lake. Intensity zones identified on

result of planning and development

the preferred scenario are not located over

strategies. Regulatory requirements

2) PURSUIT OF BEST MANAGEMENT PRACTICE RETROFITTING OPPORTUNITIES

the recharge zone while various areas

and best management practices may

indicated in the trend scenario were within

be added later in order to customize

the Purgatory and Sink Creek watersheds.

the outcomes of the models.

The water quality model developed through this

Overall the preferred scenario has less

exercise was intended to provide information

of a detrimental impact on water quality

on the potential water quality impacts of

than the trend scenario because of less

increased impervious cover resulting from new

impervious cover and corresponding

development. They

pollutants. The preferred scenario maintains

were also specifically designed to give

more undeveloped open land and attempts

coverage for the entire planning area so they

to accommodate the increased population

can be used in additional studies to assess the

and commercial development in denser

benefit of regulatory actions

redevelopment areas with

and retrofitting measures.

existing infrastructure.

Two primary recommendations were

presented with respect to offsetting impacts