Blog · September 28, 2026
What a Filter Does Not Do With Surface Water
Creek water can carry more than a cartridge handles.
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Why this comes up
Creek water can carry more than a cartridge handles. Do not drink untreated surface water because a steel crock looks serious. Test it or haul safe water.
What to check on the map first
County GIS lines are assessment maps. They are not a survey, and a product will not redraw them.
Open Platbookmapper and choose the state. The directory sends you to the county viewer. Match the parcel ID before you trust a pin on an aerial photo.
A tool that matches the job
Shop the Gravity filter when that is the job in front of you. Do not drink untreated surface water because a steel crock looks serious. Test it or haul safe water.
The limit
Filter water you hauled from a known tap, or water a lab has already tested. A steel crock does not make creek water safe.
If the line is the real question, call a surveyor. The gear will not answer it.
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey.