La. Admin. Code tit. 51 § XII-1133

Current through Register Vol. 50, No. 11, November 20, 2024

Section XII-1133 - DHH Notification

A. The supplier shall notify DHH by telephone or other equally rapid means (see Subsection C of this Section) as soon as possible but no later than 24 hours whenever:

1. the turbidity of the combined filter effluent as monitored exceeds 1.0 NTU at any time for conventional filtration treatment or direct filtration treatment;

2. more than two (i.e., three) consecutive four hour monitoring periods of the combined filter effluent show an exceedance of 0.5 NTU for conventional filtration treatment or direct filtration treatment;

3. the turbidity of the combined filter effluent as monitored exceeds 1.0 NTU for slow sand filtration or diatomaceous earth filtration;

4. the turbidity of the combined filter effluent as monitored exceeds the maximum level set by DHH for the particular alternative filtration technology approved by DHH pursuant to §1115. F of this Chapter;

5. the disinfectant residual measured from any sample collected from water being delivered to the distribution system is found to be less than 0.5 mg/l free chlorine or 0.5 mg/l chloramine residual (measured as total chlorine). The notification shall indicate whether the disinfectant residual was restored to at least 0.5 mg/l free chlorine or 0.5 mg/l chloramine residual (measured as total chlorine) within 4 hours;

6. an event occurs which may affect the ability of the treatment plant to produce a safe, potable water including, but not limited to, spills of hazardous materials in the watershed and unit treatment process failures;

7. a waterborne disease outbreak potentially attributable to the water system has occurred and is discovered by the supplier.

B. In accord with the requirement of §321 of this Part, the supplier shall notify DHH by telephone or other equally rapid means (see Subsection C of this Section) as soon as possible but no later than 48 hours whenever:

1. non-compliance with a combined filter effluent turbidity standard occurs during any one particular month, e.g., anytime a minimum number of individual turbidity measurements above the turbidity standard will cause the system to exceed its 5 percent monthly allowance. [For example, in a 30 calendar day month and a plant operating 24 hours per day a total of 180 combined filter effluent turbidity compliance measurements are to be taken per month. Whenever a total of 10 combined filter effluent compliance measurements have been found to exceed 0.3 NTUs, the system is in violation of its treatment technique requirement (10 / 180 x 100 = 5.5 percent) and must notify DHH as soon as possible but not later than 48 hours of the violation.]

C. When the need arises to contact DHH during weekends, state holidays, and other times when DHH offices are closed, the public water system shall contact a DHH representative via Blackberry^® (or equivalent smartphone) by e-mail communication to: "safe.water@la.gov ". The e-mail message should provide the name of the public water system, the PWS ID # (for example, PWS ID # 1095009) which has been assigned to identify your water system, the name of the person sending the e-mail communication, and a telephone number (with area code) so that a DHH staff member can in turn speak with whoever sent the e-mail. [In most cases, it is expected that your own district or regional engineer will be returning the call (even when the office is closed) in order to consult directly with you on your problem or situation.]

La. Admin. Code tit. 51, § XII-1133

Promulgated by the Department of Health and Hospitals, Office of Public Health, LR 28:2525 (December 2002), amended LR 35:1244 (July 2009), Amended LR 42412 (3/1/2016).

AUTHORITY NOTE: Promulgated in accordance with R.S. 40:4(A)(8)(13) and 40:5(2)(3)(5)(6)(17)(20).