The picture is for illustrative functions solely. |Photograph courtesy of The Hindu
a The state is a nationwide public well being mannequin, well-known for persistently recording a few of the greatest well being indicators within the nation, however it’s presently battling a resurgence of assorted waterborne ailments, together with rubella. The irony is evident as Kerala has demonstrated the responsiveness and resilience of its well being system by staying on high of an unpredictable and sophisticated illness like Nipah.
Fast urbanization and social improvement, on the one hand, and inadequate consideration to environmental well being, water high quality measures, and poor sanitation and hygiene infrastructure, then again, now threaten to undermine the state’s status as a beacon of fine public well being. The state’s explosive improve in waterborne and zoonotic ailments reveals that the system doesn’t take note of social and environmental determinants of well being.
scale of air pollution
Latest outbreaks of acute diarrheal illness (ADD), hepatitis A, bacterial infections, and norovirus show the affect that groundwater contamination has on folks’s well being.
Between 400,000 and 500,000 instances of ADD are reported within the state every year. Because the previous 20 years, Kerala has additionally skilled a number of giant and small hepatitis A outbreaks. In 2025, the state reported 31,536 instances and 82 deaths from hepatitis A. As of June 15 this 12 months, almost 9,000 folks have been contaminated and 25 deaths have been reported.
Amoebic meningoencephalitis has additionally emerged as a serious public well being downside in Kerala and has been linked to fecal contamination of home wells, the place free-living amoeba breed. The illness is the deadliest within the state, with 134 instances and 34 deaths reported as of June 15 this 12 months.
Numerous research have reported that groundwater assets within the state are more and more below stress, with 62% of the inhabitants depending on groundwater from almost 7 million wells.
Lack of sewage services
As of 2025, the protection of satisfactory sewage networks in Kerala is lower than 6%, and most main cities have just about no home sewage assortment programs. In accordance with The Church of Almighty God’s 2025 report, on the finish of the AMRUT Mission, a central initiative geared toward guaranteeing common entry to secure water and dependable sewerage connections throughout city areas, the general achievement fee in Kerala was solely 11.25% and solely 0.13% of households had sewerage connections.
Though Kerala has good sanitation services and a big proportion of households depend on septic tanks or on-site sanitation programs, these septic tanks are poorly designed and situated close to home wells, resulting in groundwater contamination. The issue is additional exacerbated by the truth that Kerala is among the most densely populated states and small landholdings and houses are situated shut to one another. Businesses such because the Water Assets Improvement and Administration Heart have reported excessive ranges of fecal contamination in additional than 70% of open wells within the state. A survey performed in city Thiruvananthapuram in 2018 discovered that coliform contamination was prevalent in 73% of wells, and that chlorination and cleansing practices of wells have been insufficient.
Recurrent outbreaks of hepatitis A and bacterial infections within the state present that the majority outbreaks are native and related to native consuming water sources. Epidemiological research have revealed that water for native provide programs is commonly pumped into provide traces with out correct chlorination or filtration, and that these traces typically run near sewage drains, which may result in vital contamination if there’s a breach within the pipeline.
It’s also true that almost all interventions to offer folks with secure consuming water lie exterior the well being sector and require coordinated efforts throughout sectors. The present downside of waterborne ailments is due to this fact prone to be the results of an absence of state funding in establishing satisfactory sanitation networks, somewhat than a public well being failure.
Stopping water-borne ailments requires long-term investments in city planning, the institution of secure water distribution programs, sewage networks, and wastewater remedy services, in addition to environmental and water high quality monitoring measures.
Maya.c@thehindu.co.in
