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📍 Licensed New Hampshire Groundwater Specialists · Hillsborough County

Well Drilling, Agricultural Pumps & Filtration in Hollis, NH

Specializing in high-capacity orchard, farm, and luxury residential bedrock well systems across historic Hollis, Broad Run & Silver Lake.

📞 Dispatch Line: 978-453-8200
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Sudden Loss of Water in Hollis?Same-day pump pull rigs & electrical diagnostic technicians on-call across Hillsborough County.
Local Aquifer Engineering

Hollis Geological & Well Profile

Hydrogeological data based on over 40 years of Ogden Wells drilling logs in Hollis.

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Average Drilling Depth
280 – 600 ft

Solid bedrock fracture depth required to reach sustained residential yield.

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Typical Flow Yield
3 – 20 GPM

Gallons per minute. Low-yield zones can be restored with 3,000 PSI hydrofracturing.

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Steel Casing Sealed
45 – 90 ft

6-inch ASTM A53 heavy-wall casing seated with drive shoe into solid ledge.

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Septic Setback Distance
75 ft min.

Mandatory health separation from Title 5 septic tanks and leaching fields.

Bedrock Geology: Milford Granite & Berwick Formation

Hollis contains extensive agricultural land with productive valley aquifers bounded by rugged granite ridges. Deep bedrock fracture systems support both high-yield irrigation needs and pristine residential estate drinking water.

Rock Formations Encountered: Coarse biotite granite, quartz diorite, and calc-silicate granulite

Common Water Quality Chemistry

  • •Arsenic (exceeding 5.0 ppb)
  • •Radon gas in water
  • •Mineral hardness from calc-silicate rock
  • •Low summer water yields in fractured ridges
Instant Budget Planning

Turnkey Well Sizing Estimator for Hollis

Adjust home specifications to estimate total well drilling, casing, and pump package costs.

Estimated Turnkey System for Hollis
$22,610 – $27,584
Includes ~280 ft bedrock drilling, 50 ft heavy-wall casing, pump, tank, VFD constant pressure, filtration, and BOH permit filing.
Municipal Regulatory Standards

Hollis Board of Health Compliance

Local town approval and NHDES Water Well Board compliance are executed simultaneously. Ogden Wells ensures all setback distances from agricultural zones and septic systems are certified on site. Ogden Wells handles the complete municipal permitting lifecycle on your behalf.

Regulatory Authority:
Hollis Health Department & NHDES
7 Monument Square, Hollis, NH 03049
Phone: 603-465-2780
Septic Setback: 75 ft
Property Line: 10 ft
Roadway Setback: 25 ft

Required Potability Testing Suite

Before occupancy permits are issued in Hollis, certified lab water testing must verify safety across these parameters:

  • ✓NHDES Private Well Laboratory Panel
  • ✓Arsenic speciation (safe threshold: 5.0 ppb)
  • ✓Radon in water
  • ✓Nitrates and agricultural pesticide screening
  • ✓Coliform bacteria and potability scan
Local Project Case Study

High-Volume Agricultural Orchard & Residential Wellfield

Location: Depot Road, Hollis · Depth: 520 ft · Flow Yield: 24 GPM

Drilled 520-foot commercial-diameter bedrock well tapping intersecting quartz fracture zones. Configured custom variable frequency pump system capable of toggling between 5 GPM household domestic use and 25 GPM orchard irrigation.

Installed Equipment: Goulds 5 HP 25GPM submersible pump, Pentair digital VFD transducer drive, twin ASME pressure vessels.

Serving All Hollis Neighborhoods & Surrounding Communities

📍 Hollis Historic Center📍 Silver Lake Basin📍 Flint Pond Area📍 Broad Run Road📍 Depot Road Orchard Belt📍 Ridge Road Estates

Adjacent Municipal Service Hubs:

Local Knowledge Base

Frequently Asked Questions in Hollis, NH

Schedule Your Hollis Well Site Evaluation

Whether drilling a new residential bedrock well, replacing a failed pump, or testing for radon and arsenic, Ogden Wells provides precision groundwater engineering across Hollis.

📞 Call 978-453-8200
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