Rainwater Pump and Filtration Cost Guide
Pressurized use is an add-on layer on top of storage, and it prices as its own set of lines. The HomeGuide frame prices a pump at $100 to $800 and filtration in two bands, before storage and after storage, while the Angi frame prices filtration upkeep at around $740 per year. This guide prices that layer apart, component by component, as cost lines only.
Orange County, CA · Updated 2026 · Costs shown as ranges — your quote will vary by installer and scope
The add-on layer, priced component by component
| Component line | Published 2026 figure | Frame |
|---|---|---|
| Pump, optional | $100-$800 | HomeGuide |
| Pre-storage filtration | $30-$300 | HomeGuide |
| Post-storage filtration and disinfection | $350-$2,400 | HomeGuide |
| Conveyance, gutters and piping | $750-$2,300 | HomeGuide |
| Filtration upkeep, per year | around $740/yr | Angi |
| UV bulb replacement, per year | $250/yr | Angi |
Read the table as two frames, never one blended price list. The HomeGuide frame prices components as purchase lines inside an installed system. The Angi frame prices the recurring layer, upkeep per year, on its cistern systems. A quote for this layer should name each component and its frame. The storage those components attach to prices on the rainwater harvesting system cost hub.
The pump line, priced apart
The pump is the line that turns stored water into pressurized use, and the published reporting prices it as optional. The HomeGuide frame puts the pump component at $100 to $800, the widest single-component band in its table, reflecting the spread between small transfer duty and whole-system pressure duty as reported cost categories only. The Angi frame reports its complex cistern tier as the tier carrying electric pumps among its priced features, which is why the pump line appears on cistern quotes and normally not on barrel quotes. Which storage scale carries the line prices on the rain barrel vs. cistern cost guide.
First-flush diverters and pre-storage filtration
The HomeGuide frame prices pre-storage filtration at $30 to $300 and names its reported contents as cost categories: downspout filters and first-flush diverters, the components reported to divert the first portion of roof runoff away from storage. That is the whole treatment of the topic here: a named component category inside a published price band. No component in this section is described as a procedure, and no quote should fold this band into the post-storage band below, which prices a different layer at a different point in the system.
Post-storage filtration, disinfection, and the potable boundary
The HomeGuide frame prices post-storage filtration and disinfection at $350 to $2,400, and reports that treatment requirements depend on the intended use of the water, with drinking and other potable uses reported at the demanding end. The Angi frame prices the upkeep of that layer at around $740 per year including replacement bulbs and filters, with UV bulb replacement at $250 per year. Stated as reported context only: treatment toward potable use is reported in permit and professional territory. This guide prices the components as cost lines and gives no instruction on treatment or on potable use of any kind.
How this guide differs from the hub and the storage guide
The rainwater harvesting system cost hub prices the whole system purchase, tier by tier, and carries this add-on layer as part of its totals. This guide prices the layer alone, component by component. The rain barrel vs. cistern cost guide prices the storage-scale decision; this guide assumes a scale is already chosen and prices only what pressurized use adds on top of it. Rebate amounts that may attach to components price on the water conservation rebates guide, a different ledger.
- Each component named on the quote, priced apart
- Frame named per line: HomeGuide purchase or Angi upkeep
- Pre-storage and post-storage bands never folded together
- Pump read as an optional line, not a default
- Potable treatment read as permit territory, reported only
Frequently asked questions
How much does a rainwater pump cost?
In the HomeGuide frame, the pump is an optional component priced at $100 to $800. The Angi frame reports electric pumps among the priced features of its complex cistern tier rather than as a separate component line. The frames are named apart, never blended.
What do first-flush diverters and pre-storage filtration cost?
The HomeGuide frame prices pre-storage filtration at $30 to $300, a band that names downspout filters and first-flush diverters as its reported component categories. It is a purchase line, priced apart from post-storage treatment.
What does post-storage filtration and disinfection cost?
The HomeGuide frame prices post-storage filtration and disinfection at $350 to $2,400. The Angi frame prices upkeep of the filtration layer at around $740 per year, including replacement bulbs and filters, with UV bulb replacement at $250 per year.
Does pressurized use change the total system price much?
The component lines add up as their own layer: pump $100 to $800, pre-storage filtration $30 to $300, and post-storage treatment $350 to $2,400 in the HomeGuide frame, on top of the storage price. The hub prices the combined totals by tier.
Can filtration make rainwater drinkable, and what does that tier cost?
As reported context only: the published frames report that treatment requirements depend on intended use, with potable use at the demanding end, and treatment toward potable use is reported in permit and professional territory. This guide prices components only and gives no instruction on treatment or potable use.