SCHEDULE 4CLASSIFICATION
Standards1
The Agency must use the following standards for classification—
Standards for inland waters
Parameter | “Excellent” | “Good” | “Sufficient” |
---|---|---|---|
Intestinal enterococci(1) | 200(2) | 400(2) | 330(3) |
Escherichia coli(1) | 500(2) | 1,000(2) | 900(3) |
(1) Colony forming units per 100 millilitres (“cfu/100 ml”). | |||
(2) Based upon a 95-percentile evaluation – see paragraph 2. | |||
(3) Based upon a 90-percentile evaluation – see paragraph 2. |
Standards for coastal and transitional waters
Parameter | “Excellent” | “Good” | “Sufficient” |
---|---|---|---|
Intestinal enterococci(1) | 100(2) | 200(2) | 185(3) |
Escherichia coli(1) | 250(2) | 500(2) | 500(3) |
(1) Colony forming units per 100 millilitres (“cfu/100 ml”). | |||
(2) Based upon a 95-percentile evaluation – see paragraph 2. | |||
(3) Based upon a 90-percentile evaluation – see paragraph 2. |