Louisiana Administrative Code
Title 51 - PUBLIC HEALTH-SANITARY CODE
Part XIV - Plumbing
Chapter 6 - Water Supply and Distribution
Section XIV-615 - Water Pumping and Storage Equipment

A. Pumps and Other Appliances. Water pumps, tanks, filters, softeners, and all other appliances and devices shall be protected against contamination.

B. Drains from Pressure Tanks, Boilers, and Relief Valves. The drains from pressure tanks, boilers, relief valves and similar equipment shall not be directly connected to the drainage system.

C. Cleaning, Painting, Repairing Water Tanks. A potable water supply tank shall not be lined, painted, or repaired with any material which will affect either the taste or the potability of the water supply when the tank is returned to service. Tanks shall be disconnected from the system during such operations, to prevent any foreign fluid or substance from entering the distribution piping.

D. Insufficient Pressure. When the water pressure from the water main (or other approved sources of potable water supply) during flow is insufficient to supply all fixtures freely and continuously, the rate of supply shall be supplemented by a gravity house tank or booster system (see §611. G of this code).

E. Support. All water supply tanks shall be supported in accordance with the applicable codes adopted under the authority of Act 12 of the 2005 First Extraordinary Session or other regulations which apply.

F. Overflow Pipes. Overflow pipes for gravity tanks shall be protected against the entrance of insects and vermin and shall discharge above and within 6 inches (152 mm) of a roof or catch basin. Overflow pipes shall not be valved.

G. Drains. Water supply tanks shall be provided with valved drain lines located at their lowest point and discharged as an indirect waste. Drains for water supply tanks shall be not less than shown in Table 615.G of this code below.

H. Gravity and Suction Tank. Tanks used for potable water supply shall be equipped with tight covers which are vermin and rodent proof. Such tanks shall be vented with a return bend vent pipe having an area not less than one-half the area of the feed riser, and the vent opening shall be properly screened.

I. Pressure Tank. Pressure tanks used for supplying potable water shall be equipped with an approved vacuum relief device located on the top of the tank. The air inlet of this device shall be properly screened.