- A. All potable water derived from surface waters shall be filtered before distribution. Pressure filters shall not be used as the primary turbidity removal mechanism in the filtration of surface waters. On a case-by-case basis, the Department of Health and Hospitals (DHH) may allow pressure filters to be used as the primary turbidity removal mechanism in systems identified as being a groundwater under the direct influence of surface water (GWUDISW) system.
Authority Note
AUTHORITY NOTE: Promulgated in accordance with R.S. 40:4 (A)(8) and R.S. 40:5 (5)(6).
Historical Note
HISTORICAL NOTE: Promulgated by the Department of Health and Hospitals, Office of Public Health, LR 28:1322 (June 2002), amended LR 28:2514 (December 2002).