Where two basins meet
The Stanislaus River is a dividing line underground as well as on the map. North of it, Escalon and Ripon draw from the Eastern San Joaquin subbasin; south of it, around Modesto, wells pull from the Modesto subbasin under different local rules. Both are part of the same great valley aquifer system, but permits, plans and paperwork differ by county.
Orchard country water
Orchards are deep-rooted and long-lived, and so are their effects on groundwater. Fertilizer is the most common source of nitrate in valley wells, and fumigants once applied to orchard ground, including 1,2,3-TCP and DBCP, still show up in some domestic wells. A well that tested fine years ago is worth testing again, especially if a family member is pregnant or there is an infant in the house.
Drought years
When the valley goes through a dry run like 2014–16 or 2021–22, irrigation pumping rises and water levels drop, and shallower domestic wells are the first to feel it. If your pump starts breaking suction or sputtering air in late summer, the water level may have fallen toward the pump intake. Sometimes lowering the pump is enough; sometimes the well needs deepening or replacing.
The jobs we see most
Pump replacements, pressure tank upgrades, electrical faults at the wellhead and control box, and replacement wells for older, shallower wells that no longer keep up.
What we do in Escalon
Well services in Escalon.
Well pump repair & replacement
Submersible and jet pumps diagnosed, pulled, repaired or replaced, sized to your well and your use.
Pump electrical & controls
Pressure switches, control boxes, breakers, wiring and constant-pressure controllers.
Pressure tanks & water systems
Pressure tanks checked, recharged or replaced to stop short cycling and protect the pump.
Well & pipe repair
Leaking lines, worn drop pipe, wellhead and casing problems, and system rebuilds.
Water treatment systems
Treatment matched to what a lab test actually finds in your water.
Well drilling & well destruction
New and replacement water wells, and proper destruction of old ones, under county permit.
Escalon questions
Asked and answered.
My well sputters air in late summer. What’s happening?
Usually the water level in the well has dropped close to the pump intake, so the pump draws air. It’s common in dry years when area pumping is heavy. Stop using water for non-essentials and call; we’ll measure the water level and tell you whether the pump can be set deeper or the well needs more work.
Are Escalon and Ripon wells under the same rules as Modesto?
No. Escalon and Ripon are in San Joaquin County, so well and pump permits go through San Joaquin County Environmental Health. Across the Stanislaus River in Stanislaus County, permits go through the Department of Environmental Resources, which also applies the county’s groundwater ordinance to new wells.
How often should an orchard-country well be tested?
At least once a year for bacteria and nitrate is a common recommendation for private wells, plus a broader test for arsenic and fumigants every few years or when something changes. Test right away if the water’s taste, color or smell changes, or after any flooding.
Nearby
We also serve
No water? Check the well pump’s breaker. If it trips again, leave it off and call. Never open the pressure switch, control box or wellhead wiring: they’re live at 240 volts. Water suddenly changed color, smell or taste, or the well flooded? Don’t drink it until it’s tested; use bottled water. Smell gas? Leave the building and call the gas utility or 911 from outside.