In this paper, the blockchain technology is applied to the water quality information management field of the river chief-oriented system, for solving the problems of data management centralization, non-openness, and opaque faced by traditional technologies. The river chief-oriented water quality information system is built with the enterprise-level open-source framework Hyperledger Fabric. It uploads the core water quality information to the blockchain and provides relevant information certification storage function for users. It could restore illegally tampered water information by verification, thus ensuring the security and reliability of system data. Experimental results show that the average throughput of water quality information uploading and query on the chain reaches more than 200 tps, up to 500 tps, which meets the expected requirements of system performance.
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