City of Newton, MA
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Points represent fire hydrants. While a part of the water distribution system, the hydrants are not connected to that network.
Creation, History and Update Process
These points were obtained from a query of the water system nodes. The nodes needed to be removed to simplify the water network to meet the networking software’s requirements at the time. Also the hydrant laterals were eliminated from the system. Hydrants were made into a separate layer for easier display and to allow permissions to users that do not need to access to the more secure water system layers. See the discussion for the Water System for more details.
Hydrant attributes originally included the same hydrant number that appeared in the Engineering Dept. version of the atlas. However these numbers were unique only within an atlas sheet. Therefore, the hydrants were re-numbered in 2011 with a unique sequential number based on the atlas numbers. The first digit indicates the atlas sheet and in where possible the other digits were preserved from the original numbering system. After cleaning up the data, this resulted in a numbering scheme that is both sequential and unique. The number from the atlas has been retained in the [orig_num] field.
Hydrants are updated as they are tested or cleared of snow if the locations are found to be incorrect or if they are missing or replaced.
Features and Attributes
This data layer represents fire hydrants as points. Fire engine districts were added by request from the Fire Department in Febraury, 2011.
Name | Alias | Description | Data Type | Width |
---|---|---|---|---|
HYDRANT_NUM | Hydrant Number | Hydrant ID number | Text | 8 |
ORIG_NUM | Old Atlas Number | Old ID from original Engineering atlas | Text | 6 |
MOVED | Moved | Indicates if location was adjusted to orthos* | Text | 1 |
WaterMain | Water Main | Pipe ID of nearest water main | Text | 21 |
Dist_WMain | Distance to Main | Distance to nearest water main | Float | 6 |
LocSource | Location Source | Source of location info | Text | 10 |
EngineDist | Engine District | Fire Engine District | Short Integer | 5 |
“*” in [MOVED] means hydrant was moved to an uncertain location-from a clearly incorrect location
Last Updated: January 2022