[5] It was revealed by Suresh Gopi through his social media handles, which featured Indrans, Urvashi, Sanusha, Sagar Rajan, Johny Antony, T. G. Ravi, and Anjali Sunil Kumar.

[15][16] A character poster titled Muthirangadi Kalavara Team featuring Shailaja, Sneha Babu, Nitha Karma, and Sree Ramya was released on 31 July 2023.

[21] S. R. Praveen of The Hindu wrote "The popularity of recent courtroom dramas based on seemingly small incidents, like 'Saudi Vellakka' or 'Nna Thaan Case Kodu' is clearly an inspiration for this attempt at following a successful formula.

"[9] Princy Alexander of Onmanorama wrote "The narrative, while avoiding preachiness, adeptly highlights the repercussions of human actions and choices, skillfully balancing humour and sentimentality.

"[22] Vignesh Madhu of The New Indian Express gave 2.5 out of 5 stars and wrote "While Jaladhara Pumpset starts off like a legal fight between a retired school teacher and a local thief, it eventually comes down to the question of adhering to the law or conscience.