Matsya Purana — Glory of Tīrtha-Śrāddha: Best Times
श्राद्धे दाने तथा होमे स्वाध्याये जलसंनिधौ कायावरोहणं नाम तथा चर्मण्वती नदी //
śrāddhe dāne tathā home svādhyāye jalasaṃnidhau kāyāvarohaṇaṃ nāma tathā carmaṇvatī nadī //
In śrāddha rites for the ancestors, in charitable giving (dāna), and likewise in fire-offerings (homa), in Vedic self-recitation (svādhyāya), and when one is near water—there is a sacred place called Kāyāvarohaṇa, and also the river Carmaṇvatī.
This verse does not discuss pralaya; it focuses on ritual merit connected with śrāddha, charity, homa, svādhyāya, and the sanctity of specific tīrthas and a river.
It reinforces key householder duties—honoring ancestors (śrāddha), giving charity (dāna), maintaining sacrificial worship (homa), and practicing Vedic recitation (svādhyāya)—and links them to proper performance near sacred waters and tīrthas.
Ritually, it highlights that acts like śrāddha and homa gain special potency when performed near water and at recognized sacred sites such as Kāyāvarohaṇa and the Carmaṇvatī river.