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黄冈市龙感湖水质现状分析和水质提升对策研究

2021-02-11舒恬静杨军

科技创新导报 2021年24期
关键词:水质污染

舒恬静 杨军

摘要:黄冈市龙感湖为“十四五”期间国控考核断面,由于历史原因,自2018年以来,该断面长期不达标,水质一直为Ⅳ类至劣Ⅴ类之间,本文通过对黄冈市龙感湖和入湖支流水质现状分析,从生活污染、農业面源污染、工业污染、内源污染、水量因素等方面分析超标原因,提出通过加强顶层设计、流域水污染防治、入湖支流污染控制、水生态修复工程、联防联治机制等方面提升水质,供参考与借鉴。

关键词:龙感湖水质现状超标原因水质提升对策

Analysis of Water Quality Status and Countermeasures for Water Quality Improvement of Longgan Lake in Huanggang City

SHU Tianjing 1 YANG Jun2

(1. Huanggang Environmental Protection Monitoring Station, Huanggang,Hubei Province, 438000 China;2.Huanggang Comprehensive Law Enforcement Detachment, Huanggang,Hubei Province, 438000 China)

Abstract: Longgan Lake in Huanggang City is the state-controlled assessment section during the 14th Five Year Plan period.Due to historical reasons, the section has been substandard for a long time since 2018, , and the water quality has been between class ⅳ and inferior class ⅴ. through the analysis of the current situation of water quality of Longgan Lake and tributaries into the lake in Huanggang City, this paper analyzes the reasons for exceeding the standard from the aspects of domestic pollution, agricultural non-point source pollution, industrial pollution, endogenous pollution and water volume factors, and puts forward that by strengthening top-level design, watershed water pollution prevention and control Improve the water quality in the aspects of pollution control of tributaries into the lake, water ecological restoration project and joint prevention and treatment mechanism for reference.

Key Words: Longgan Lake;Water quality status;Reasons for exceeding the standard;Water quality improvement measures

龙感湖属于华阳河流域,地跨湖北、安徽两省。近年来,随着经济快速发展,污染负荷不断加剧,黄冈市龙感湖心断面水质一直处于不达标状态,若不采取有效的污染防治措施,难以实现水质达标。为此,黄冈市委市政府高度重视龙感湖水质提升工作,提出从“一湖之治”向“流域之治”转变,本文通过对龙感湖和15个入湖支流进行系统的调查与分析发现,龙感湖整体水体环境依然不容乐观,持续改善水环境质量势在必行。

1黄冈市龙感湖概况

黄冈市龙感湖主要功能为洪水调蓄、农业灌溉、生物栖息、水产养殖等。随着社会经济的发展,水质恶化问题凸显,总磷超标问题突出。从2018年起,该断面水质一直未达到Ⅲ类标准,若不采取措施难以实现水质目标[1]。

2近年来黄冈市龙感湖水质情况分析

2.1龙感湖湖心水质情况分析

2.2.1断面设置及监测情况

“十三五”期间,黄冈市龙感湖为湖北省省控重点湖泊,湖心设置监测断面(经度:116.0644;纬度:29.9222),黄梅县环境监测站每月开展水质监测,“十四五”国家将该断面调整为国控考核断面,从2021年起,由国家组织开展监测,监测数据用于考核地方政府。……

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