Clogged pipes due to well water : Need economical method to flush deposits

Our home water lines are clogged due to salt accumulation because of  the well water we are buying. Water flow is retarded by the deposits. The plumber says we have to do acid wash of all the…

Industrial waste treatment in municipal ETP: Need references of process problems due to dumping

I am working as a process engineer at a municipal sewage treatment plant of capacity 75000 cu.m/day. At present plant is working very nicely with the following effluent water parameters. TSS : 3…

Researcher seeks data on hydraulic conductivity of soils

Where can I find information on hydraulic conductivity of soils?  I am looking for very broad information in the context of India. I am professor at the School of Planning and Architecture, New…

Need information on developing MLSS in aeration tank during start-up

We are commissioning 200 m3/hr capacity wastewater treatment plant. Type of industry: Pulp and paper mode of treatment: Primary clarifier, Aeration tank; secondary clarifier.  Please let us know…

Solution Exchange Consolidated Reply: Promoting sustainable groundwater development-Experiences

A consolidated reply of experiences and examples shared by various members of the Solution Exchange Water Community

Borewell drilling tool stuck inside the well in Hoshiarpur, Punjab : Need remedies

A borewell has been dug up to a depth of 260 ft at Rodmarja village, Hoshiarpur District in Punjab. The location is the basin of a river & estimated depth required is 400 ft. A reverse rig was…

Need geo-hydrological map of Mahabir enclave, New Delhi : Please advise on availability & sources

I want to get the subsurface geohydrological / ground water map of Mahabir enclave ( Part -1 ), near Bengali colony ( Palam Sulabh complex ) , New Delhi-45. Subrota. Is this information available…

Silt & rust damage to submersible pump: Need solutions

I have drilled on 6.5" borewell to a depth of 620' , The casing pipe of 7" dia was installed upto a depth of 85'. After installing the submersible pump of 2 HP - 35 stages - at a depth of 580' the…

Solution Exchange Consolidated Reply: Promotion of aqua-agriculture in Bihar – Experiences

A consolidated reply of experiences and examples shared by various members of the Solution Exchange Water Community

Compiled by Gopi…

Need inputs for water mission of National Action Plan on Climate Change

From Himanshu Thakkar, South Asia Network on Dams, Rivers and People (SANDRP), New Delhi
Posted 29 December 2008

Effect of RO water on GI / MS pipes: Is it a cause for concern to the food industry?

Can we use GI pipe for transferring RO (Treated Water) water in Food Industries or is it not advisable? What is the effect of Treated Water on GI or MS pipe? What is the properties of Treated…

Need reports on health impact of excess iron in the Indian context

We are trying to document the health impacts of excess Iron in drinking water in India. Though literature speaks of different ailments such as Iron Overload etc., there doesnt seem to be much of…

Ideal pipe type for domestic plumbing : Need information on applicable regulations

What is best suited for plumbing for potable water at home: GI, PPRC or CPVC? I am building a house and want to know which type of pipe is most appropriate for potable water plumbing. Are there…

Queries regarding water allocations for ecology

I am a BE student. My question is, what are the water requirements for ecology? What kind of water allocations does that require? The National Water Policy, 2002, has placed ecology at the fourth…

Iron removal solutions in Assam : Increasing efficiency & reducing turbidity in the sedimentation tank

I am responsible for providing drinking water to one of the cantonments in Assam. I am facing problem of high iron content in water. The source is bore well (under ground Water) and iron content…

Technical issues in trench excavation in sand near sea : Pictures attached

How do we carry out Trench Excavation in Sand near sea for a depth of 4 meters? The working space is narrow and road width available is 5 meters. The Trench work is for a Under Ground Drainage…

Prevention of groundwater contamination & complete details of effluent processing in Chennai, Tamilnadu

Prevention of Groundwater Contamination & Complete Effluent Processing: Detailed Query: Chennai, Tamilnadu

Need inputs in scaling up solid and liquid waste management activities in West Bengal under TSC

From Yusuf Kabir, United Nations Children’s Fund, Kolkata
Posted 15 December 2008

I am Yusuf Kabir, working…

Reverse machine to dig the bore not working in Hoshiarpur, Punjab - Need advice

Sir,  We are installing a tubewell 400 ft. deep of 12" dia. The land is situated in a river basin  of Hoshiarpur distt. in Punjab. As the formation contains boulders upto 100 ft deep, the reverse…

Need information on the feasibility & availability of solar powered aerators

I am trying to collect information regarding Solar powered aerators. Are they available in the Indian market? Would like to know the experience who has worked with solar powered or backed aerators…

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