Demonstration data: simulated sensor readings and made-up factory names, not for enforcement. About this prototype Pilot operated by Aegis Knowledge Trust for evaluation by the Maharashtra Pollution Control Board (MPCB). Not an official Government of Maharashtra service.
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Ulhas River

Ulhas: 0.6% of readings over standard on 4 Jun 2026; 0 of 5 sites reported in the last 24 hours.

No recent data · last known violation, 22 Sep 2026

Where along the Ulhas is Chemical Oxygen Demand (COD) highest?

COD as a multiple of the Central Pollution Control Board (CPCB) general standard for discharge into inland surface water, Chemical Oxygen Demand (COD) 250 mg/L · June 2026

Station (upstream to downstream)ReadingsTypicalWorstOver standard
Ulhas Buoy — Dombivli Upstream3,8740.16×0.27×0.0%
Dombivli MIDC ETP Outfall7,7480.17×2.63×0.7%
Ulhas Buoy — Dombivli Downstream3,8740.16×0.32×0.0%
Ambernath MIDC Outfall7,7480.18×2.94×0.9%
Badlapur MIDC Outfall7,7480.18×2.40×0.9%

1.0× equals the standard. Stations are listed upstream to downstream where the river order is known.

Monitoring stations

StationTypeConditionLast reading
Ulhas Buoy — Dombivli UpstreamRiver stationNo data22 Sep 2026, 19:39 IST44 d ago
Dombivli MIDC ETP OutfallIndustrial outfallNo data22 Sep 2026, 19:39 IST44 d ago
Ulhas Buoy — Dombivli DownstreamRiver stationNo data22 Sep 2026, 19:39 IST44 d ago
Ambernath MIDC OutfallIndustrial outfallNo data22 Sep 2026, 19:39 IST44 d ago
Badlapur MIDC OutfallIndustrial outfallNo data22 Sep 2026, 19:39 IST44 d ago