Water supply balance
Compare opening stock and expected collection with planned daily use.
How it is calculated
Balance = opening stock + days × (daily incoming − daily outgoing). Shortage = max(0, −balance).
Assumptions & limits
Assumes steady inflow and consumption, unlimited storage and no quality losses. A positive ending balance does not prove supply is available at every moment. Defaults are illustrative planning inputs, not recommended minimums or a guarantee of safety.
Planning estimates only. Defaults are illustrative, not personalized recommendations. Do not use these calculations as medical, structural, electrical installation or other safety certification. For informational and educational purposes only. CivArk is not medical, legal, engineering or other professional advice. Verify information with qualified professionals and current local authorities. Estimates and preparedness plans cannot guarantee safety or survival.