Niagara Falls Storm Sewer Maintenance Holes

This spatial dataset contains points representing the locations of storm sewer maintenance holes in the City of Niagara Falls. Attributes include: street name, ID, side of road, location type, ownership, custodian, status, latitude, and longitude. Open Data Quality Rating (Beta): 95.7/100 (as of August 02, 2026) Completeness 88.4 Validity 100.0 Recency 100.0 Uniqueness 100.0 Understandability 94.2 Click for Open Data Quality Explainer (coming soon)本空间数据集（spatial dataset）收录了表征尼亚加拉瀑布市雨水管道维护检查井（storm sewer maintenance hole）空间位置的点位要素数据。数据集附带如下属性字段：街道名称、点位ID、道路侧别、位置类型、权属信息、管护主体、运行状态、纬度及经度。本数据集的开放数据质量评分（Open Data Quality Rating，测试版）为95.7/100（统计截至2026年8月2日），分项评分分别为：完整性88.4、有效性100.0、时效性100.0、唯一性100.0、可理解性94.2。点击查看开放数据质量说明文档（Open Data Quality Explainer，即将上线）