नावध्यक्षः समुद्रसम्याननदीमुखतरप्रचारान्देवसरोविसरोनदीतरांश्च स्थानीयादिष्ववेक्षेत ॥ कZ_०२.२८.०१ ॥
nāvadhyakṣaḥ samudrasamyāna-nadīmukha-tara-pracārān deva-sarovi-saro-nadī-tarāṃś ca sthānīyādiṣv avekṣeta
The Superintendent of Boats should supervise and inspect—through local officers and related functionaries—the sea-going routes, river-mouth ferry traffic, and crossings over sacred lakes, reservoirs, and rivers.
Central policy via the nāvādhyakṣa is implemented through local officers, indicating layered oversight for wide geographic coverage.
Even religiously significant sites generate traffic and revenue and can be security-sensitive; hence they fall under state supervision.