When she hit a snag—an unusually high head loss in a 30‑year‑old section of the network—she recalled a case study in the open‑access PDF about retrofitting old pipelines with polymer‑lined interiors. She simulated the upgrade, noting a 15 % reduction in energy consumption.

Finally, she used the reliability analysis techniques to compute the probability of service interruption under different failure scenarios. By integrating redundancy loops and strategically placed pressure‑reducing valves, her design achieved a reliability index exceeding the municipal standards. On the day of the project defense, Maya’s slides displayed crisp schematics, flow diagrams, and cost‑benefit analyses. She credited each source: the open‑access revised edition of Garg’s book, the supplemental chapters from Arjun, and the upcoming library copy for the most recent data.

Her professor had mentioned Water Supply Engineering by S. K. Garg as the definitive reference for the subject. “Make sure you read the chapters on hydraulic calculations and pipe network optimization,” he’d said, sliding the slim, glossy volume across his desk. The price tag, however, was out of Maya’s modest student budget, and the university library’s copy was already checked out for the semester.