Wisconsin Administrative Code
Department of Agriculture, Trade and Consumer Protection
ATCP 55-89 - Food, Lodging, and Recreation Safety
Chapter ATCP 76 - Safety, Maintenance, and Operation of Public Pools and Water Attractions
Subchapter III - Water Treatment Systems and Water Quality
Section ATCP 76.12 - Labeling, storing, mixing, and handling chemicals, including gaseous chlorine

Current through August 26, 2024

All labeling, storing, mixing, and handling of chemicals must be in compliance with applicable local, state, and federal regulations. Pf

(1) LABELING.

(a) Chemical container. Except as provided in par. (b), all chemicals used in the operation and maintenance of pools, and bulk storage tanks containing the chemicals, shall be conspicuously labeled with all the following information: Pf
1. Name of the product. Pf

2. Manufacturer's name and address. Pf

3. Active ingredients. Pf

4. Directions for use. Pf

5. Hazardous ingredient warning. Pf

6. For chemicals used for the primary purpose of controlling microbial or algal growth, the United States environmental protection agency registration number. Pf

(b) Erosion feeders. For chemicals used with erosion feeders, only the name of the chemical need be provided on the label. P

(2) CHEMICAL STORAGE AND CHEMICAL STORAGE AREAS. Chemical storage and chemical storage areas shall meet all of the following:

(a) Original container. Chemicals shall be stored in the original or a properly labeled container. Pf

(b) Location. Chemicals shall be covered and kept in a clean, dry, well ventilated, and locked area away from flammables, incompatible chemicals, and heat sources. P

(c) Separation. Oxidizers shall be stored separately from acids. P

(d) Access. Only authorized personnel shall have access to a chemical storage area. P

(e) Chlorine gas. Chemicals shall not be stored in a chlorine gas storage area. P

(f) Food. Food may not be stored in a chemical storage area. Pf

(g) Smoking. Smoking is prohibited in a chemical storage area. P

(h) Ventilation. Ventilation in chemical storage areas shall comply pursuant to ch. SPS 364, as enforced by the Wisconsin department of safety and professional services. Pf

(i) Doors. Doors to chemical storage areas shall be locked and marked to indicate entry is for authorized personnel only. Pf

(j) Emergency telephone numbers. A list of emergency telephone numbers shall be in the chemical storage area or be readily accessible. Pf

Note: For pools with liquid disinfectant and acid it is strongly encouraged to provide secondary containment in the chemical storage area.

(3) MIXING OF CHEMICALS. The mixing of chemicals shall meet all of the following:

(a) Added to water. A chemical solution shall be added to water, not by adding water to the chemical. P

(b) Separately added. Each chemical or chemical solution shall be separately added to the water. P

(c) Restriction of patrons. Patrons shall not be in the pool when chemicals are added directly into the pool basin. P

(4) HANDLING OF CHEMICALS.

(a) Smoking. Smoking by anyone handling chemicals or by anyone within the immediate vicinity of chemicals being mixed is prohibited. P

(b) Safety data sheet.
1. For each chemical used, a safety data sheet shall be readily accessible to staff and the department or its agent. Pf

Note: For example, the operator may keep the safety data sheet in a binder or on a computer as long as the operator or designated representative has immediate access to the information without leaving the pool area.

2. A paper back-up of the safety data sheet shall be available for rapid access in the case of a power outage or other emergency. Pf

3. Staff shall be trained in the use of the safety data sheet and where they are located. Pf

This section is created eff. 9-24-23 by CR 22-021.

Disclaimer: These regulations may not be the most recent version. Wisconsin may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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