Pool Drain and Refill Cost Guide

Draining and refilling a pool is a standalone water service with its own price lines, apart from any cleaning or resurfacing job that empties it. HomeGuide prices the draining service at $150 to $250 and a hose fill at $40 to $200, while Angi prices city water by the gallon. This guide prices each line apart: drain, fill, and balancing.

Orange County, CA · Updated 2026 · Costs shown as ranges — your quote will vary by installer and scope

Reading this guide: every figure below is a range compiled from published pricing and industry data for Orange County in 2026 — not a quote. Published sources price these services in different frames, and this guide names each frame apart and never blends them. Discharge context appears as reported context only, never as a determination for any property. Always get 3 written quotes.

The water service, priced line by line

Cost lineHomeGuide frameAngi frame
Draining service$150-$250folded into project quotes
Hose fill$40-$200city water $0.004-$0.01 per gallon
Delivered water$400-$2,400, 10,000-20,000 gal$0.03-$0.10 per gallon
Post-fill balancing, one-time$150-$350not a standalone line

Read the table as two frames, never one blended price list. HomeGuide prices each service as a flat line; Angi prices the water itself by the gallon and lets volume set the total. A quote should name its frame and show its lines apart. The wash this service most often sits under prices on the pool acid wash cost hub.

The draining line

The HomeGuide frame prices draining as its own service at $150 to $250, varying with pool size. Inside a larger project the line often folds into the project quote: the resurfacing guide names draining only as a step inside resurfacing jobs, and wash quotes carry it as one of three scope lines. Priced standalone, as when water is replaced on a reported service recommendation, the drain is the first line and the fill method sets the rest of the bill. What leaves the property is governed by local rules, covered below as reported context only.

The fill decision: hose against delivered water

Fill methodPublished 2026 figureFrame
City water, per gallon$0.004-$0.01; $60-$300 for 15,000-30,000 galAngi
Delivered water, per pool$400-$2,400 for 10,000-20,000 galHomeGuide
Delivered water, per gallon$0.03-$0.10; about $500-$1,700 at 17,000 galAngi
Delivered water, per truckload$200-$600; also $30-$100 per 1,000 galHomeGuide

The two methods price an order of magnitude apart in both frames, and the published reporting ties the gap to time: a hose fill is reported as the slower, lower-cost route, and delivered water as the faster route priced by the truckload or the gallon. Neither frame blends the two methods into one average fill price, and neither does this guide. A partial refill prices off the same lines, at the gallons actually replaced.

Discharge context, as reported context only

Published reporting states the context plainly: rules for where drained water may go vary by city, and Orange County cities are reported to differ on discharge toward storm drains, sewer connections, and landscaped areas. Some city summaries are reported to carry notice or permit steps ahead of a large discharge; others restrict when discharge may happen. This guide reports that variation as context only. It is not advice on whether any specific property may discharge, and it makes no determination for any address: the check-your-city step belongs to the homeowner and the quoting service.

Post-fill balancing, and where this guide sits

The last line is the balancing visit after the fill: the HomeGuide frame prices one-time chemical balancing at $150 to $350, the line published reporting ties to returning refilled water to swim-ready condition. Inside this cluster, the pool acid wash cost hub carries drain and refill as scope lines under a wash; this guide prices the same water work standing alone. The pool tile cleaning cost guide touches the layer from the other side, pricing tile work quoted with or without a partial drain. Recurring balancing prices in the routine lane, on the weekly pool service guide.

Cost guide, not advice: the ranges below are compiled from published 2026 pricing data and industry sources. Discharge rules are reported context from published summaries and vary by city; nothing here is a determination for any property or advice on any project. Your price will vary with pool size, surface, and local fees. This guide does not endorse, rate, or recommend any brand, product, or contractor. The figures are informational ranges only: not quotes, and not a claim about the price of any specific pool project.

Frequently asked questions

How much does it cost to drain a pool?

HomeGuide prices the draining service at $150 to $250, depending on pool size. Inside wash or resurfacing quotes, the same work often folds into the project price instead.

How much does refilling a pool cost?

By frame and method: HomeGuide prices a hose fill at $40 to $200 and delivered water at $400 to $2,400 for a 10,000 to 20,000 gallon pool. Angi prices city water at $0.004 to $0.01 per gallon, $60 to $300 for 15,000 to 30,000 gallons, and delivery at $0.03 to $0.10 per gallon.

What does delivered pool water cost per truckload?

HomeGuide reports $200 to $600 per truckload and $30 to $100 per 1,000 gallons. In the Angi frame, delivery at $0.03 to $0.10 per gallon comes to about $500 to $1,700 for a 17,000-gallon pool.

What does balancing cost after a refill?

HomeGuide prices one-time chemical balancing at $150 to $350. It is the closing line of the purchase, priced apart from the drain, the fill, and recurring balancing inside a weekly service plan.

Can drained pool water go into the street or a storm drain?

As reported context only: discharge rules vary by city across Orange County, and cities are reported to differ on storm drains, sewer connections, and notice requirements. This guide makes no determination for any property; check your city's rules before a drain is scheduled.

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