Use this form for systems using conventional or direct filtration and serving populations of less than 10,000 people. The LT1SWTR monthly report for turbidity and disinfection data contains the Daily Data Sheet for Combined Filter Effluent (CFE) Turbidity, Disinfectant Residual Data, and Individual Filter (IF) Turbidity Monitoring data. 

• LT1SWTR Form for Conventional or Direct Filtration < 10K (PDF)(3 pp, 20 K)