Indiana pool log guide
Indiana pool log: the Swimming Pool Record of Operation
Indiana's Swimming Pool Record of Operation (State Form 12279) says it must be logged daily and kept for one year, under 410 IAC 6-2.1. Here is what the form asks for.
What to record
What the Indiana form asks for
Readings and records
- Daily: disinfectant residual (Cl2 or Br2, ppm) at opening, second and third test; pH at opening and second test; water temperature.
- Weekly: combined chlorine (total minus free) twice, total alkalinity, cyanuric acid, a bacteriologic test sample and result, and breakpoint chlorination or superoxidation.
- Each day: number of bathers, flow rate (gpm), whether bottom and walls were cleaned, fresh water added (gallons), filter backwash and the hours recirculation ran.
- Chemical usage in pounds or gallons (acid, soda ash, algaecide, other) and the name of the powder or solution used for disinfection.
- Remarks: fecal or vomit accidents, equipment malfunctions, filter shutdowns, power failures, sickness, injuries or other unusual conditions, plus the name of the person logging each entry.
Printed on the official document
- pH 7.2 to 7.8
- Spa temperature 104 °F or less
- Total alkalinity 80 to 120 ppm
- Cyanuric acid under 60 ppm
- Breakpoint chlorination when combined chlorine is 0.5 ppm or more
How long to keep it
One year (printed on the form).
Sources
Official documents
- Swimming Pool Record of Operation, State Form 12279 (R5 / 4-11)
- 410 IAC 6-2.1 (as cited on the form)
Read on the state's own website on October 21, 2026. Chlorlog is not affiliated with any state agency. Rules change and counties can add requirements, so check with your local health department.
Keep the daily readings on your phone
The free log sheet covers free and combined chlorine, pH, alkalinity, cyanuric acid, temperature and initials, and prints the whole month.