{
  "id": 11185057,
  "title": "Why Kerala’s groundwater is increasingly at risk of contamination | Explained",
  "url": "https://urgent.news/2026/10/01/why-keralas-groundwater-is-increasingly-at-risk-of-contamination",
  "topic": "health",
  "section": "Health & Medicine",
  "published": "2026-10-01T11:54:16.000Z",
  "source": {
    "name": "The Hindu Health",
    "slug": "the-hindu-health",
    "url": "https://www.thehindu.com/sci-tech/health/why-keralas-groundwater-is-increasingly-at-risk-of-contamination-explained/article71531774.ece"
  },
  "original_language": "en",
  "account": "Kerala's groundwater is facing increasing contamination risks due to a combination of factors. The State's high population density, climatic changes, and limited wastewater management system have contributed to the problem. Approximately 62% of the population relies on groundwater from 6.5 million open wells for their daily needs. A 2024 study revealed that 7.4% of the State's population may be consuming poor quality groundwater, putting them at health risks if proper chlorination is not maintained. Another report documented E. coli contamination in 67% of water samples collected in flood-affected areas around Pala, raising concerns about the safety of drinking water sources. The combination of high population density, unplanned urbanization, and the natural hydrogeological features of the State allows surface pollutants to easily infiltrate the water table. Unscientific construction of septic tanks and pit latrines near shallow and open wells has led to persistent faecal contamination. The State's sanitation strategy largely relies on onsite sanitation systems, such as individual household septic tanks and soak pits, which have rendered much of the groundwater unsafe for consumption unless properly treated. Safe drinking water is a crucial social determinant of health, yet Kerala has failed to prioritize it despite its progress in other public health sectors. Unpredictable heavy rainfall exacerbates the issue, as oversaturation of soil and overflowing drainage systems can quickly allow pollution and microbial contamination to reach groundwater. Community-level GIS studies have shown that most wells in urban areas, particularly in Thiruvananthapuram, are in an intermediate-high contamination risk state, with over 77% having a septic tank within 7.5 meters. The State's approach to addressing these issues is limited, with only 5-6% of major urban zones connected to a centralized sewerage network and many projects under the AMRUT 2.0 Mission facing delays and protests due to their proximity to residential areas.",
  "summary": "Kerala’s dependence on groundwater, combined with dense settlement, inadequate sewerage and changing rainfall patterns, is increasing the risk of contamination. How is contamination reaching groundwater? What are the health impacts? And what is being done to improve the State’s sewerage infrastructure?",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 2,
    "also_reported_by": [
      {
        "outlet": "The Hindu - Sci-Tech",
        "title": "Why Kerala’s groundwater is increasingly at risk of contamination | Explained",
        "url": "https://urgent.news/2026/10/01/why-keralas-groundwater-is-increasingly-at-risk-of-contamination-11189015",
        "published": "2026-10-01T11:54:16.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}