This can allow us to identify problem spots that may need repair, redesign, or simply cleaning by community members.
Hii inaweza kutusaidia kujua tatizo na sehemu ambayo inahitaji marekebisho, kuundwa upya au kusafishwa tu na wana jamii. Ili kuchambua mifereji ya maji, tunahitaji zaidi ya mistari kwenye ramani.