Fig. 4: Compliances rate of onsite sanitation systems/non-sewered sanitation systems (OSS/NSS) practices to regulatory and environmental quality requirements in Bangladesh. | Humanities and Social Sciences Communications

Fig. 4: Compliances rate of onsite sanitation systems/non-sewered sanitation systems (OSS/NSS) practices to regulatory and environmental quality requirements in Bangladesh.

From: Perception management of non-sewered sanitation systems towards scheduled faecal sludge emptying behaviour change intervention

Fig. 4

A facility survey and observation of 80 out of the 691 on-site sanitation systems in Khulna ward 9 were carried out to determine compliance to Bangladesh National Building Codes. 45% of the OSS/NSS survey did not comply to construction guidelines of national building codes; on 21% complied to emptying guidelines in faecal sludge management regulations; 62 percent were not in compliance to spillage of faecal matter during emptying procedures while only 24% showed no discharge to surface drains and 21% had no indications of overflow into the environment. In summary, most of the OSS/NSS survey were not in compliance to any regulations and had failed in several aspects.

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