Analisis of Soil Quality Pollutions at Final Disposal Site in Blitar City Based on pH, Humidity, And Temperature Parameter

Abstract

Based on data from the Dinas Lingkungan Hidup 2024, waste accumulation in Blitar City reached 60,49 tons per day in 2023. This high volume poses a significant risk of soil degradation due to leachate seepage. While most studies focus on heavily polluted metropolitan landfills, this research provides a critical assessment of soil health in a medium-sized city landfill under modern waste loads, offering a contemporary baseline for ecological resilience. This study aims to analyze soil quality at the Blitar City Landfill using pH, humidity, and temperature as key indicators of soil health. Data were collected at four strategic locations using a Digital Soil Analyzer. To ensure data validity and reliability, the instrument was pre-calibrated with standard buffer solutions, and all measurements were performed in triplicate.  The analysis shows an average pH of 5.87 (slightly acidic), Optimum humidity of 29.8%, and a normal tropical temperature of 29.6°C. According to the Peraturan Pemerintah Republik Indonesia 2000, the soil remains within healthy environmental standards, supporting microbial activity and plant growth. However, the trend toward acidity necessitates the implementation of more effective leachate drainage systems and routine monitoring to prevent long-term soil quality decline and ensure sustainable environmental management.

Keywords - Humidity; Landfill; pH; Soil pollution; Temperature.