Pune's water supply is more complicated than most Indian cities'. The city draws from multiple dams — Khadakwasla, Panshet, Warasgaon, and Temghar — through the Pune Municipal Corporation (PMC) distribution network, while the expanded PCMC (Pimpri Chinchwad) area and the outer ring of townships increasingly rely on borewell water as piped supply lags urban growth.
The PMC Supply vs. Borewell Divide
PMC-supplied water from the dams is relatively soft — typically 150--300 mg/L TDS. Pune's reservoir water comes from the Western Ghats catchment, which has granite and basalt geology that dissolves minerals more slowly than the Indo-Gangetic plains. For residents in the older city — Shivajinagar, Deccan, Camp, Kothrud — the water is among the softer municipal supplies in major Indian cities.
The picture is very different in Hinjawadi, Wakad, Baner, Balewadi, Undri, and the broader Pune Metropolitan Region townships. These areas, which have seen the bulk of IT-sector residential development, receive mixed or primary borewell supply. Borewell TDS in these areas ranges from 400 to 700 mg/L — meaningfully harder than the dam water supply to the historic city.
The Hinjawadi Premium Apartment Problem
Hinjawadi, Wakad, and Baner are home to thousands of premium IT-sector apartments. The residents — typically young tech professionals — have exactly the combination of premium bathroom expectations and hard water that creates the most visible and frustrating maintenance challenge. Monthly cleaning sessions that don't fully remove scale, glass that fogs over between cleans, and chrome that develops white rings within days.
Testing your water is particularly useful in Pune because the difference between PMC supply and borewell supply is significant enough to change your entire maintenance approach. Before investing in premium cleaning products or a water softener, know which type of water you're dealing with.
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