6 months ago
2
Faecal contamination has exceeded the maximum permissible limits on the Pathalam bund agelong of the Periyar River successful Ernakulam.
The full coliform number recorded adjacent the bund was 2600 MPN (most probable number) per 100 ml successful the samples collected connected August 5, 2025, according to the trial results compiled by the Kerala State Pollution Control Board. The maximum permissible bounds of full coliform successful bathing water, arsenic prescribed by the Central Pollution Control Board (CPCB), is little than 2,500 MPN per 100 ml.
In July, the full coliform number successful the Pathalam bund agelong was 2400 MPN/100 ml. The faecal contamination showed an summation successful August compared to the levels recorded successful July 2025.
The committee said successful its monthly advancement study connected the Periyar River Action Plan for August 2025 that steps had been taken to support the minimum travel successful the stream during the thin play and to guarantee the periodical cognition of regulators on the river, including the regulator-cum-bridge astatine Pathalam.
The minimum travel has been ensured to debar the beingness of high-organic-load sludge that had built up successful the river’s upstream stagnant h2o owed to prolonged closure of the shutters and concern waste.
The study said that the shutters are being operated arsenic required arsenic portion of the h2o management. A protocol for shutter cognition has been prepared and submitted to the Chief Engineer of the Department of Irrigation for approval.
The committee officials person been sharing the Dissolved Oxygen (DO) levels successful the authoritative WhatsApp radical formed for monitoring the cognition of the regulator-cum-bridges. It has been observed that the DO level adjacent Pathalam regulator-cum-bridge is satisfactory, it said.
