Heru Dwi Wahjono
Kelompok Teknologi Pengelolaan Air Bersih dan Limbah Cair

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RANCANG BANGUN SISTEM DATABASE KUALITAS AIR LIMBAH RUMAH SAKIT Wahjono, Heru Dwi
Jurnal Air Indonesia Vol. 3 No. 1 (2007): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v3i1.2321

Abstract

Environmental pollution that happened around us in this time have resided in condition of concerning. The environmental quality recovering is not only becoming responsibility of government, but becoming responsibility of all society, especially who was causing the environmental pollution itself. Some metropolitans like Jakarta has domestic waste as dominant waste, which is not dominant hostpital waste also contributes environmental pollution in Jakarta.To decrease the pollution level of wastewater from hospital, the government of Jakarta has published the environmental regulation. The regulation contains how the hospitals in Jakarta should manage and process their wastewater. This article explain about the design and development of database system for managing the data of hospital wastewater quality, so the observation process of wastewater quality from the wastewater treatment plant for the hospital can be monitored easily and known immediately. Katakunci : database kualitas air,  kualitas air limbah rumah sakit, IPAL rumah sakit, sistem manajemen basis data.
STATUS KUALITAS PERAIRAN UMUM DAN AIR TANAH DI WILAYAH JAKARTA Sachoemar, Suhendar I.; Wahjono, Heru Dwi
Jurnal Air Indonesia Vol. 3 No. 2 (2007): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v3i2.2332

Abstract

The environment and water quality status of the open waters of the rivers and lake including ground water surround DKI Jakarta was evaluated on the base of the data collected by local government of the environmental agency of DKI Jakarta (BPLHD) period of 2004. The result shows that water quality of those open waters has degraded due to the impact of the domestic and industrial waste that flowing through the rivers. The DO, total suspended solid (TSS), ammonia, organic matter, BOD and COD of the open waters in general have more than intemperate of the environmental standard of the water quality for drinking, fisheries, animal husbandry and industrial need. While the ground water has degraded due to the increasing of the Fe, Mn and detergent.  To eliminate and minimize the degradation of the water quality of the open waters and ground water surround Jakarta, strict regulation should be established following the regular monitoring of the whole area of the open and ground waters.  Katakunci : Kualitas Perairan Umum, Sungai, Situ, Air Tanah, DKI Jakarta.
PENGEMBANGAN SISTEM DATABASE ONLINE MONITORING (OnLimo) KUALITAS AIR Wahjono, Heru Dwi
Jurnal Air Indonesia Vol. 1 No. 2 (2005): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v1i2.2347

Abstract

Recent water quality decrease has caused difficult in finding clean water source for people and their daily life. Monitoring on water quality had been carried out many times, from up stream to down stream. It’s necessary to do Online Monitoring on ground and underground water quality continuously, so that the effect of water quality decrease could be detected earlier and handle directly. The output of water quality data needs to be processed so that the society and the decision makers could see the information publicly. So, we need a design of structured database of online and real-time water quality data processing. Water quality data management using structured data base system could make water source data retracing easier. Katakunci : database struktur, online monitoring, real time monitoring 
PENGELOLAAN DATA SISTEM ALIRAN DRAINASE KOTA Studi Kasus : Jakarta Selatan dan Jakarta Timur Indriatmoko, Robertus Haryoto; Wahjono, Heru Dwi; Yudo, Satmoko
Jurnal Air Indonesia Vol. 1 No. 3 (2005): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v1i3.2359

Abstract

Fast growing development at big cities such as Jakarta usually cause surface hydrology problems, which is indicated by many surface detention and local floods during rainy season. These problems were raised because of the increasing of runoff coefficient of sub catchment areas and limited capacity of existing drainages. Analysis have made on drainage capacity of sub catchment areas connected to peak flow cause by rain on certain recurrence period and result in data to evaluate drainage capacity to solve these water detention and local floods problems. Katakunci : Genangan, Banjir, Drainase, DAS, Database.
APLIKASI WEB SISTEM INFORMASI SUNGAI DAN PANTAI (SISPA) UNTUK PENGELOLAAN SUMBERDAYA AIR Wahjono, Heru Dwi
Jurnal Air Indonesia Vol. 8 No. 2 (2015): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v8i2.2378

Abstract

Development activity has been exploiting water resources (SDA) massively. Every year the number of critical watershed along with the increasing environmental degradation. Management of water resources are always either continued effort by the government to reduce the negative impact of environmental pollution. One way is to build an Information System Web-Based Coastal Rivers and can be used to determine the condition of water resources in the basin, so that the status of potential and water quality can be monitored at any time either by the government or the wider community and other civil society organizations . The information system Web-Based Coastal Rivers and can be realized by performing a data management of water resources in the basin structured through the development of Water Resource Database (DBSDA). Rivers and Coastal Information System (SISPA) Web-based was developed to assist the Ministry of Public Works in order to carry out the data management of water resources and coastal rivers in the basin in accordance with the rules established by the existing regulations, particularly the Law 7 Year 2004 on SDA and PP 42 Year 2008 on Management of Natural Resources. Keywords : River and Coastal Information System, Water Resources Information SYstem, River Basin, River Basin Unit, DAS, SWS.
INSTALASI SISTEM PEMANTAUAN KUALITAS AIR ONLINE BERBASIS GSM DI SUNGAI CILIWUNG SEGMEN ISTIQLAL Wahjono, Heru Dwi; Setiaji, Galih
Jurnal Air Indonesia Vol. 8 No. 1 (2015): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v8i1.2384

Abstract

Ciliwung River  is one of the rivers that pass through the administrative area of Jakarta. Ciliwung river has been categorized as a heavy polluted river. The water quality monitoring needs to be installed to control river pollution. The Water quality monitoring should be performed at any time continuously. For that reason, The trial water quality monitoring that placed in the area of Ciliwung part Istiqlal Mosque has been installed. The installed system that based on GSM network is an online and realtime water quality monitoring. In this paper discusses the process of installation, monitoring results, modification of protective structure and the problems were encountered. From this activity bring out some conclusions about: shape of suitable protective building, sensor calibration period, the obstacles encountered, system reliability, and efforts to improve system performance. Keywords: Protective building,  calibration period, monitoring result, water quality, realtime.
PEMANTAUAN KUALITAS AIR DANAU SEMAYANG DAN DANAU MELINTANG DI KABUPATEN KUTAI KARTANEGARA MENGGUNAKAN SISTEM ONLINE MONITORING Wahjono, Heru Dwi
Jurnal Air Indonesia Vol. 8 No. 1 (2015): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v8i1.2385

Abstract

Semayang Lake and Melintang Lake in Kutai Kartanegara district, East Kalimantan is one of the biggest lake in Indonesia. Both lakes are located in the Mahakam River Basin and has an important role for economic and ecological activities in the Province of East Kalimantan. In addition to being a source of livelihood for fishermen around the lake, is also as habitat for freshwater mammals Pesut Mahakam that are endangered. Illegal logging in the forest around the lake, causing floods when it rains and water pollution will increase with sediment flowing into the lake. In some areas also get the impact of transportation activities of coal mining industry around the Mahakam River. All this causes silting almost the entire surface of the lake, lead to a reduction of existing fishery potential and cause extinction of Pesut Mahakam. To control pollution in the lake, local government of Kutai Kartanegara has implemented an online monitoring technology to monitor the water quality of the lake in four point location. Monitoring results are used to support local goverment in taking pollution control policies in both lakes. Keywords: Water quality online monitoring system, lake water quality monitoring system, GSM  and SMS technology, multiprobe sensor, telemtry system.
DISAIN SISTEM SCADA DI INSTALASI PENGOLAHAN AIR BERSIH UNTUK KEBUTUHAN DOMESTIK DI SUATU KAWASAN INDUSTRI Wahjono, Heru Dwi
Jurnal Air Indonesia Vol. 4 No. 1 (2008): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v4i1.2395

Abstract

Industrial area represents location where some industries operate in one same area region. Usually an industrial area besides there are factory also there are office and housing. To fulfill domestic clean water required by housing and office, usually the organizer of industrial area have developed a Water Treatment Plant (WTP) with source of raw water which come from a river emitting a stream of around area. The increasing of domestic clean water needs has pushed management to increase the production of clean water by the existing WTP. Besides that, to increase the quality of clean water service to the domestic exist in industrial area, hence felt important to develop a system of SCADA to manage existing process in the WTP. As step early is to identify and plan the design system of SCADA for domestic WTP. From the result of development planning, the SCADA can be developed step by step according to the project plan and existing budget. Kata kunci : Water Treatment Plant (WTP), Instalasi Pengolahan Air (IPA), Kebutuhan Air Bersih Domestik Perumahan, Supervisory Control And Data Acquisition (SCADA).
SISTEM MANAJEMEN KOMUNIKASI DATA JARAK JAUH BERBASIS TEKNOLOGI SMS DAN RADIO TELEMETRY UNTUK PEMANTAUAN KUALITAS AIR Wahjono, Heru Dwi; Budiman, Bayu
Jurnal Air Indonesia Vol. 4 No. 1 (2008): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v4i1.2398

Abstract

Nowadays the water quality monitoring project that had been doing by government institution is increase due to decreasing of water quality. Many methods and techniques are developed for water quality monitoring. The communication technology development such as GSM/CDMA technology can be used as new network infrastructure for water quality monitoring. People over the world are now using this technology as new communication medium. With SMS as the one of services from GSM technology people can send or receive messages easily. By using the integration of digital sensor for water quality, digital data logger and GSM modem as communication unit, the water quality can be monitored as cheap as sending the SMS by phone cell. The critical value of water quality parameter also can be monitored and sent to the phone cell of decision maker. Kata Kunci : Pemantauan Kualitas Air, Teknologi SMS, Radio Telemetry, Early Warning System (EWS), sistem komunikasi GSM (Global System Mobile Communication), SMS (Short Messages Service).
PEMILIHAN HARDWARE PEMBUATAN DATA LOGGER ONLINE MONITORING KUALITAS AIR BERBASIS MAINBOARD PC DAN OPEN SOURCE SOFTWARE Wahjono, Heru Dwi
Jurnal Air Indonesia Vol. 7 No. 1 (2014): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v7i1.2404

Abstract

Real-time water quality monitoring requires data logger for automatic data retrieval  by sensors. The hardware data logger for realtime monitoring can be developed by utilizing scars computer mainboard that are still functioning and widely avaliable in the market at low prices. Through online monitoring applications that developed by using free open source software, water quality data can be measured in accordance with the specified time interval and stored in the database system. This paper discusses the hardware selection and recomendation studies that include the motherboard and CPU, storage, transmission and communication medium required for the manufacturing of computer's mainboard based data logger. The results of this study are to be used as an alternative data logger selection for realtime water quality monitoring with low investment costs. So, the water companies can monitor raw water quality from their water treatment plant as well as the industrial can monitor wastewater quality from wastewater treatment plant. Keyword : online monitoring, real time monitoring, early warning system (EWS), open source software, data logger, onlimo OSS.