Need a new well, a pump repair or a well inspection in St. Mary Parish, LA? St. Mary Parish has about 46,799 residents (2024 estimate) and 5 incorporated cities and towns. Describe your project once: licensed well drillers who work in St. Mary Parish get back to you.
Well permits in St. Mary Parish are issued by the state or the county health department, depending on local rules.
Services available in St. Mary Parish
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New water well
Drilling, casing and development of a new water well, with the state well permit and log.
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Well pump installation or repair
Installation, replacement or repair of the well pump, pressure tank and controls.
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Well inspection or rehabilitation
Inspection, cleaning, deepening or proper abandonment of an existing well.
Frequently asked questions in St. Mary Parish
Do licensed well drillers cover the whole of St. Mary Parish?
Most pros work across the county and neighboring counties. Enter your ZIP code in the form and we match you with pros who serve your exact area.
Well Drilling in Louisiana: all counties
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.