Cost to Fill a Pool With Water

On February 25, 2026  By newsroom   Topic: Home Services

Filling your pool with water can vary greatly in cost, depending on your pool size, location, and water source. Here's a detailed breakdown:


Average Costs

| Pool Size | Gallons | Cost Range (Hose Delivery) | Cost Range (Water Delivery) | |-------------------------|-------------------|---------------------------------|----------------------------------| | Hot Tub | 300–500 | $1–$50 | N/A | | Spool | 6,000–6,800 | $24–$680 | $180–$680 | | Cocktail Pool | 8,000–10,000 | $32–$1,000 | $300–$1,000 | | Standard Pool | 12,000–13,500 | $48–$1,300 | $500–$1,350 | | Lap Pool | 16,000–20,000 | $64–$2,000 | $700–$2,000 | | Diving Pool | 23,000–28,000 | $92–$2,800 | $1,000–$2,800 |


Factors Affecting Costs

1. Pool Size

  • Larger pools cost more to fill. The average pool holds about 17,000 gallons, costing:
  • $68–$170 via garden hose.
  • $500–$1,700 via water delivery.

2. Water Source

| Water Source | Cost per Gallon | Notes | |-------------------------|--------------------------|---------------------------------------------| | City Water | $0.004–$0.01 | $60–$300 for 15,000–30,000 gallons. | | Well Water | Free (electricity only) | Costs $25–$75 for electricity use. | | Water Delivery | $0.03–$0.10 | $500–$1,700 for 17,000 gallons. |

  • City Water: Inexpensive but check for overuse fines in water-restricted areas.
  • Well Water: Free water but may incur electricity costs for pumping.
  • Water Delivery: Faster and pre-treated but costs more than city or well water.

3. Location

  • Costs for water and delivery services vary by city or region.
  • Remote areas may have higher delivery costs due to transportation.

4. Partial Fills

  • Refilling during the season for water lost to evaporation or splashing: $20–$500/year.

Cost by Pool Size (Per Gallon Formula)

To calculate the cost of filling your pool:
(Pool Gallons ÷ 1,000) × Water Rate per 1,000 Gallons = Cost

| Pool Size (Gallons) | Cost (at $9/1,000 gallons) | |--------------------------|-------------------------------| | 10,000 gallons | $90 | | 15,000 gallons | $135 | | 20,000 gallons | $180 | | 25,000 gallons | $225 | | 30,000 gallons | $270 |


Add-Ons to Consider

| Add-On | Cost Range | Details | |----------------------|-----------------------------|----------------------------------------| | Pool Cover | $30–$150 (basic) | Reduces evaporation and heating costs. | | | $780–$2,600 (advanced) | | | Pool Enclosure | $6,025–$17,350 | Keeps out debris and adds safety. | | Pool Fence | $4,000 (average) | Often legally required for safety. | | Maintenance | $125–$350/month | Includes chemicals, cleaning, and pH tests. |


How to Save Money

  • Use a Garden Hose: Avoid delivery fees for large pools.
  • Monitor Usage: Prevent overuse fines in areas with water restrictions.
  • Partial Fills: Top off water regularly to avoid refilling a completely empty pool.
  • DIY Maintenance: Save on professional upkeep by handling basic pool care.

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