Kualitas Air Sumur Gali Kelurahan Lubuk Buaya Kecamatan Koto Tangah Kota Padang Berdasarkan Indeks Most Probable Number (MPN)

Randa Novalino, Netti Suharti, Arni Amir

Abstract


Abstrak

Diare merupakan salah satu penyakit yang ditularkan melalui air terkontaminasi oleh agen penyebab seperti bakteri Coliform.  Menurut data Dinas Kesehatan Kota (DKK) Padang pada tahun 2011, kejadian diare di Kelurahan Lubuk Buaya Kecamatan Koto Tangah, Kota Padang merupakan kasus tertinggi di Kota Padang. Tujuan penelitian ini adalah menentukan kualitas air sumur gali di Kelurahan Lubuk Buaya berdasarkan Indeks Most Probable Number (MPN) menurut Peraturan Menteri Kesehatan Republik Indonesia (Permenkes RI) No. 416 tahun 1990. Sampel penelitian ini adalah  air sumur gali yang digunakan di beberapa Rukun Tetangga (RT), yang diambil secara acak dari beberapa Rukun Warga (RW) yang telah dipilih sebelumnya, sehingga didapatkan 15 sampel. Penelitian ini dilaksanakan dalam 2 tahap yaitu pengambilan sampel air sumur gali sekaligus observasi faktor yang mempengaruhi kualitas air dan pemeriksaan mikrobiologi dengan metode Most Probable Number (MPN) Test. Tes ini terdiri dari tes presumtif dan tes konfirmatif yang disesuaikan dengan Permenkes RI. Hasil penelitian ialah 73,33% dari jumlah sumur yang diperiksa tidak memenuhi standar Permenkes R.I. karena mengandung Coliform > 50 pada setiap 100 ml air. Hanya 26,6% sumur yang memenuhi standar yang telah ditetapkan. Beberapa faktor yang dapat mempengaruhi yaitu lokasi sumber pencemaran, dinding parapet, drainase, tutup sumur dan sarana pengambilan air.

Kata kunci: kualitas air sumur gali, MPN, coliform

 

Abstract

Diarrhea is one of the diseases that  transmitted through contaminated water by causative agent, one of which is coliform bacteria. According to data from City Health Department Padang in 2011, the incidence of diarrhea in Kelurahan Lubuk Buaya Kecamatan Koto Tangah – Padang is the highest case in the city of Padang. The objective of this study was to determine the water quality of wells dug in Kelurahan Lubuk Buaya by Most Probable Number Index (MPN) according regulation of Indonesian health minister. The 15 samples was water of dug well  in some of the RT households from several neighborhoods that was selected. The research was conducted in two stages, dug well water samples as well as observation of the factors that affect water quality and microbiological examination of the Most Probable Number method (MPN) Test. This test consists of presumptive tests and confirmative tests that were tailored to regulation of Indonesian health minister.  The result were 73.33% of the wells tested did not meet the standards of Indonesian health minister regulation, because it contains >50 coliform in every 100 ml of water. Only 26.6% of the wells were inspected to meet the standards set. Several factors can affect the location of sources of pollution, parapet walls, drainage or sewer water, cover the wells, and water collection facilities.

Keywords: dug well water quality, MPN, coliform

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This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

 

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