A well designed for monitoring groundwater levels and quality.
अवलोकन कुआँ
English Usage: The geologist examined the observation well to assess contamination levels.
Hindi Usage: भूविज्ञानी ने संदूषण स्तर का मूल्यांकन करने के लिए अवलोकन कुएँ की जांच की।
"avalokan kuaan", "avlokan kuan", "avlokan kavaan", "avlokan kuwan", "avalokan kawan", "avalokan kuan"