省控地表水及水源地省级批量数据接口

1. 数据权威：直接从各省环保厅网站实时发布系统获取，全面，及时，准确。2. 稳定可靠： 多机采集，API侧负载均衡。 3. 更新及时： 一般实时地表水数据每隔4个小时更新一次，青悦接口每小时实时同步，建议每次调用前先获取站点列表。

返回数据示例：

{ success: true, data: [ { province: "湖南省", station_name: "湖南常德石门新关地表水自动监测站", factor_values: "{"Pb": "0.0026", "DO": "8.23", "As": null, "NH3N": null, "CODmn": null, "pH": "8.44", "TP": null, "Cd": "0.001"}", boundaryArea: "张家界常德交界断面", pubtime: "2018-07-01 16:00:00" }, { province: "湖南省", station_name: "湖南湘潭西阳渡口地表水自动监测站", factor_values: "{"Pb": "0.0037", "DO": "8.44", "As": "0.0061", "NH3N": "0.03", "CODmn": "3.13", "pH": "7.95", "TP": "0.0931", "Cd": "0.0012"}", boundaryArea: "娄底湘潭交界断面", pubtime: "2018-07-01 12:00:00" }, ... ] }