An Alternative Approach to Water Regulations for Public Health Protection at Bathing Beaches

Table 1

Number of states applying various beach monitoring techniques [14].

Regulatory practice	Number of states
Sampling location
Ankle	2
Knee	15
Waist	13
Frequency of sampling based on
Usage	22
Season	28
Location of sampling based on Usage or point source	25
States allowed to issue advisories	30
States allowed to issue closures	17
Presumptive rainfall standards	17
Predictive models used	5
Unique microbial indicators used	2
Chemical indicators used	2