Table 2.

Distribution of observed and studied sanitation systems by technology in Trichy, and NNP.

Study Areas	Row Total of Sites	Household Fully-lined Tanks	Lined Pits	Lined Tanks	Community Fully-lined Tanks	Direct Discharge Pipes	Sanitary Sewer Discharges
Trichy Inventory	465	260	26	15	37	80	47
NNP Inventory	88	12	43	20	13	N/A	N/A
Selection for Initial Site Surveys
In Trichy	183	105	2	10	18	25	23
In NNP	43	1	17	15	10	N/A	N/A
Total in both Trichy and NNP	226	106	19	25	28	25	23
Final Selection for Detailed Surveys and Environmental Sampling
In Trichy	148	74	2	10	14	25	23
In NNP	35	1	13	11	10	N/A	N/A
Total in both Trichy and NNP	183	75	15	21	24	25	23

N/A – Not applicable as that sanitation system was not found in the study area.