Resumo:
The present study addresses the creation of a Multidimensional Municipal Basic Sanitation
Index (IMSB-M) for water resources management. The research uses a methodology that
integrates indicators formed by the four essential axes of basic sanitation (Water Supply,
Sewage, Solid Waste and Urban Drainage), added to the Institutional Management axis. During
the development of the research, qualitative and quantitative analyzes were addressed, through
the creation of a matrix of indicators and the calculation proposition of the IMSB-M. The index
was applied to the Rio Doce Hydrographic Basin, classifying the municipalities into five bands
(Very Bad, Bad, Average, Good and Excellent), pointing out weaknesses in the basin, especially
in relation to the sewage, solid waste and urban drainage axes. In total, 211 municipalities were
ranked, distributed across nine tributary river basins (CH DO1 – Rio Piranga, CH DO2 – Rio
Piracicaba, CH DO3 – Rio Santo Antônio, CH DO4 – Rio Suaçuí, CH DO5 – Rio Caratinga,
CH DO6 – Rio Manhuaçu, UA7 – Guandu, Santa Joana and Santa Maria do Rio Doce Rivers,
UA8 – Rio Pontões and Lagoas do Rio Doce and UA9 – Barra Seca and Foz do Rio Doce), of
which the IMSB-M varied from 0.826, for the municipality of Aimorés and 0.125, for the
municipality of Cantagalo. In total, 65% of the municipalities had indices below 0.700, with
the left margin of the basin, formed by CH DO3 and CH DO4, presenting the largest number
of municipalities with IMSB-M classified as bad and very bad. The results demonstrate the
viability of the index to identify areas that require greater intervention, contributing to the
universalization of basic sanitation services in the country.
