Hand Pump vs. Generator Backup: Emergency Water Options

When the power goes out, well owners face a choice: rely on a generator or install a backup hand pump? Both have their place, and the right answer depends on your well depth, budget, and how prepared you want to be for extended emergencies.

Quick Comparison

Option 1: Generator Backup

How It Works

A generator powers your existing submersible pump through a transfer switch. Your well operates normally — full pressure, full flow — as long as the generator runs.

Advantages

• Normal water use: Showers, laundry, dishwasher all work
• No physical effort: Just start the generator
• Works with any well depth: Powers your existing pump
• Multi-purpose: Also powers lights, fridge, etc.
• Lower initial cost: $800-1,500 for a decent portable generator

Disadvantages

• Requires fuel: Runs out eventually
• Fuel storage: Gasoline degrades, fire risk
• Maintenance: Oil changes, filters, spark plugs
• Noise: 60-80 dB, disturbs neighbors
• Must be present: Manual start on most units
• Mechanical failure: Won't start when you need it most

Generator Sizing

Most residential well pumps need a 5,000-7,500 watt generator. See our generator sizing guide for specifics.

Option 2: Hand Pump

How It Works

A manual hand pump installs alongside your existing electric pump, drawing from the same well. You physically pump a lever to draw water up from the well.

Types of Hand Pumps

Shallow Well Hand Pumps

• Depth limit: 20-25 feet
• Cost: $150-400
• Best for: Shallow wells only
• San Diego County: Rarely applicable (most wells are deeper)

Deep Well Hand Pumps

Specialized pumps designed for deep wells:

• Simple Pump: Up to 325 feet, ~$1,500-2,500
• Bison Pump: Up to 300 feet, ~$1,200-2,000
• Flojak: Up to 150 feet, ~$600-900

These use a different mechanism than shallow well pumps, with long pump rods that extend down to the water level.

Advantages

• No fuel needed: Works as long as you can pump
• No moving parts (mostly): Very reliable
• Low maintenance: Occasional leather cup replacement
• Silent operation: No noise
• Always ready: No startup, no fuel check
• True independence: Grid-down for months? Still works

Disadvantages

• Physical effort: Pumping from 200+ feet is work
• Low flow: 1-5 GPM, not enough for normal use
• Higher upfront cost: Quality deep well pumps are expensive
• Depth limits: Even good pumps max out around 300 feet
• Installation: Requires well modification

Reality Check: Pumping Effort

Pumping from a deep well is harder than it looks:

• 100-foot well: Moderate effort, sustainable
• 200-foot well: Significant effort, tiring over time
• 300-foot well: Very hard work, need to pace yourself

Expect to spend 5-15 minutes pumping per person per day for basic drinking and cooking water from a deep well.

The Best Approach: Both

Many prepared homeowners install both:

• Generator: Primary backup for most outages
• Hand pump: Last resort when fuel runs out

This layered approach covers:

• Short outages (hours): Generator
• Extended outages (days): Generator with stored fuel
• Prolonged grid-down (weeks+): Hand pump when fuel exhausted

San Diego County Considerations

Well Depth Challenge

Most San Diego County wells are 200-600 feet deep. This means:

• Standard hand pumps won't work (25-foot limit)
• Need specialized deep well hand pump ($1,500+)
• Some wells exceed hand pump depth limits entirely

PSPS Events

SDG&E's Public Safety Power Shutoffs can last 24-48+ hours. For these:

• Generator with 10-20 gallons of fuel typically sufficient
• Hand pump useful if outage extends beyond fuel supply

Fire Season

Water access during fires is critical:

• Generator provides water for firefighting
• Hand pump provides drinking water if generator fails

Installation Considerations

Hand Pump Installation

Installing a hand pump alongside an existing submersible pump requires:

• Pitless adapter or well cap modification: Allow both pumps in same well
• Proper sizing: Hand pump cylinder matched to well depth
• Professional installation: Ensure it doesn't interfere with electric pump

Cost: $500-1,000 installation labor plus pump cost

Generator Setup

Safe generator connection requires:

• Transfer switch: Prevents backfeeding the grid ($200-500 installed)
• Proper outlet: 240V if pump requires it
• Outdoor operation: Never run generator indoors

Frequently Asked Questions