Survey the local water resources in your arca and its quality of water. (use guidelines from the book) Write on couses of pollution and suggest preventive measures to be taken. – Maharashtra State Board Class 12 Environmental Studies (EVS) project topic and guidance.
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Project 13 : Survey the local water resources in your arca and its quality of water. (use guidelines from the book) Write on couses of pollution and suggest preventive measures to be taken. is an officially approved project topic in the Maharashtra State Board Class 12 Environmental Studies and Water Security curriculum. This comprehensive study equips students with practical field methodologies, ecological analysis, and empirical data required for securing an 'A' grade in school/junior college internal assessments.
Environmental Education and Water Security emphasizes sustainable development through scientific investigation. The practical documentation provided below covers the core findings, observations, and policy measures needed for comprehensive academic evaluation.
Aim of the Study: To survey surface and groundwater resources in the locality, test fundamental physicochemical water quality parameters, identify point and non-point pollution sources, and recommend corrective interventions.
Field water sampling from 4 locations (River stretch, municipal tap, open well, and agricultural borewell), using portable digital TDS meters, pH test strips, Secchi disk transparency testing, and laboratory water test verification.
This scientific investigation conforms strictly to Maharashtra State Board practical guidelines, incorporating primary survey data, empirical observations, and practical field documentation.
The following empirical observation matrix demonstrates standard data collection parameters, field measurements, and recorded outcomes for this project study:
| Water Sampling Source | Visual / Odor Status | pH Value | TDS (ppm) | Dissolved Oxygen (DO) | Pollution Sources & Usability |
|---|---|---|---|---|---|
| Upstream River (Before Town) | Clear, odorless, transparent | 7.4 (Neutral) | 185 ppm | 7.2 mg/L (High) | Low pollution; safe for bathing and domestic treatment. |
| Downstream River (After Town) | Blackish-grey, foul septic odor | 8.6 (Alkaline) | 840 ppm | 1.1 mg/L (Hypoxic) | Severe untreated domestic sewage; fish kills; totally unfit for use. |
| Community Village Lake | Greenish scum, moderate odor | 8.2 | 410 ppm | 3.8 mg/L | Agricultural fertilizer runoff causing algal blooms and eutrophication. |
| Agricultural Open Well | Clear, faint earthy odor | 7.1 | 320 ppm | 5.4 mg/L | Moderate quality; seasonal coliform risks from surface agricultural runoff. |
| Deep Borewell (180 ft) | Clear, zero odor, mineral taste | 7.8 | 680 ppm | 4.0 mg/L | High mineral hardness; requires domestic RO or ion-exchange softening. |
The field study and investigation of Project 13 focuses on the following key environmental observations and highlights:
A comprehensive analysis of Project 13 reveals crucial insights regarding water resources and local ecological resilience. By examining empirical data collected in the field, students understand the direct impact of human activity on ecosystems and learn practical conservation strategies applicable to Maharashtra's local environment.
Water is life, but polluted water is disease and death. Surveying local water resources provides hard scientific evidence of environmental degradation, empowering citizens to hold civic bodies accountable for stopping untreated sewage and industrial poison discharges.
To secure full marks (30/30) in your internal project evaluation, structure your handwritten project file in the following official order:
The combined content of all inorganic minerals and organic substances dissolved in water; BIS considers TDS below 300 ppm excellent, and above 500 ppm poor.
Aerobic bacteria consume all available oxygen in the water to decompose the organic matter in sewage, starving fish and aquatic life of oxygen.
High nitrate concentrations in drinking water (often from synthetic fertilizer runoff) which convert hemoglobin into methemoglobin, blocking oxygen transport in infants.
It prohibits the disposal of polluting matter into water bodies without consent from the State Pollution Control Board (MPCB) and mandates sewage treatment.
Plants like Canna and Vetiver planted on floating bamboo rafts absorb excess nitrogen and phosphorus directly through their roots, naturally purifying the water.