Structure of answer:

• Introduction (Discuss about the scheme).
• How does it help to reduce the ground water contamination?
• Discuss the key finding of the report.
• Explain the present status of the mission.
• Way forward.
• Conclusion.

Key points:

• The Swachh Bharat initiative has led to reduced ground water contamination.
• The substantial reductions may potentially be attributed to the improvement in sanitation and
  hygiene practices.
• Supportive systems such as regular monitoring and behavior change messaging, which have all
  been critical aspects of the Swachh Bharat Mission (Grameen), also helped reduce ground water
  contamination.
• A recent study by the UNICEF has found that ‘Swachh Bharat (Grameen)’ initiative of the
  government has helped reduce ground water contamination.