Keenjhar Lake in Sindh, a major reservoir supplying water to Karachi through the Keenjhar-Gujjo Canal.Sindh’s Irrigation Department says laboratory tests do not support claims of pollution at Keenjhar Lake.

Sindh’s Irrigation Department has rejected reports of pollution in Keenjhar Lake, saying laboratory test results do not support claims circulating on social media and in the media.

Muzammil Memon, executive engineer of the Kalri Baghar Division in Thatta, said water quality at Keenjhar Lake and the Keenjhar-Gujjo (KG) Canal, which supplies water to Karachi, was tested daily.

He said reports alleging contamination were contrary to the department’s findings, adding that officials continued to monitor the lake and the canal to assess water quality.

According to Memon, laboratory tests recorded a pH level of 8.3 and total dissolved solids (TDS) of 350 milligrams per litre at the main sampling point in Keenjhar Lake. At the downstream sampling point of the KG Canal, the pH level was recorded at 8.4.

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Memon also said the Lake Regulator at RD 2.4, the main point where water enters the lake, was fully open.

He added that tests of chemical substances in the water supplied to Karachi showed levels within the limits prescribed by the World Health Organisation (WHO). The department cited these results as evidence that the pollution claims circulating online were not supported by its laboratory reports.

The department urged residents not to rely on unverified reports or rumours and advised them to seek water-quality information from official sources.

It said regular monitoring of Keenjhar Lake and the water supply system serving Karachi would continue.

Keenjhar Lake, also known as Kalri Lake, is a major water reservoir in Sindh. It supplies water to Karachi through the KG Canal and plays an important role in meeting the city’s domestic and industrial needs.

While the department has dismissed the reported contamination claims, the figures it released reflect the specific samples and parameters tested. They do not, on their own, establish the safety of all water throughout the supply network.

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