Ground water that is consumed as drinking water is water which has passed processing system or water which has not passed any process that meets the healthstandard/requirements and can be consumed/drunk directly. Drinking water that fulfills the requirements according to the minister of health no 492 of 2010 has the maximum limit of iron (Fe) content which is 0.3 mg/l. The iron (Fe) content of ground water for drinking water in this research location exceeds the established quality standards, which yields 1,20 mg/.The objective of this research is to measure the iron content (Fe) before and after the treatment with the shower by using several variations of height 30 cm, 50 cm, 160 cm.Sampling method applied in this research was the grab sample with 9 times of replication and analyzed by using the Friedman statistic test. And the laboratory tests were carried out by using spectrophotometry.The results of laboratory examinations of iron (Fe) levels in ground water for drinking water after treatment using a shower with a height variation of 30 cm has reduced the iron content.in groundwater by 30.45%, height variation of 50 cm has reduced the iron (Fe)content in groundwater for drinking water which was 50.45%, and a height variation of 160 cm has effectively reduced iron (Fe) level by 80.75% which was the most effective height in reducing iron (Fe) levels. The results obtained have met the quality standards set by Minister of Health No. 492 In 2010. The results of the Friedman Statistical Test showed that there were differences in the decrease in iron (Fe) levels with the use of a circularshower with variations in height of 30 cm, 50 cm and 160 cm, so the hypothesis wasaccepted. In this research, the most effective height can be found by increasing the height of the shower and adding a longer contact time.

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Medical wastes need to be handled properly. The forefront of this efforts is the waste generationnode. The health worker who are responsible for waste generation are nurses at the nursingwards. The the nurses were in the forefront and determine the fate of the medical waste treatmentin a hospital. The purpose of this study is to reveal nurses’ behavior pertaining to the managementof medical waste.Data were collected through interviews and observation of the behavior of the nurses on themorning duty, than analyzed the data descriptively.Results showed that 64% of waste generation location has made efforts in the sorting of wastes,but all of them (100%) has not been doing well in stowage. It is not easy to understand, since75% of the nurses have good knowledge, but only 54% who carry out the disposal of medicalwaste properly. Therefore it is advisable to provide support to medical waste disposal facilities throughout the waste generating rooms and implementing reward and punishment system for those who should do so.

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Drinking water is a basic necessity of living. It  will be a problem if it contains microorganisms. Drinking water  Standard based on WHO and the Republic of Indonesia Regulation No.  492 / Menkes / Per / IV / 2010 where microorganisms must be zero and must be processed. The society has not done drinking water treatment either chemically or by other methods.  As a natural alternative, Ipomoea carnea contains active ingredients such as alkaloids and flavonoids which can be used as antibacterial subtances. The study aims to prove the extract of leaves of Ipomoea carnea in reducing the bacteriological content of drinking water source ofs springs. This research is an experimental research  in the laboratory and the field. Samples in the from of sources of drinking water from springs  that do not quality bacteriological with purposive sampling. Maserasi methods the extract of leaves of Ipomoea carnea with MPN Coliform test with one way anova  analysis. The results obtained revealed that The results obtained revealed that consentration 0,15g/100mL samples water drinking source springs extract of leaves of Ipomoea carnea can reduce bacteriological content 80,33%.