Category: Local Guide

Plumbing Remodels in Caldwell, Idaho: A Homeowner’s Guide to Planning a Cleaner, Safer, Better-Flowing Upgrade

July 2, 2026

Remodeling a kitchen or bath? Your plumbing plan matters as much as your tile.

A great remodel isn’t just the finish work you can see—it’s the reliability you don’t have to think about for the next 10–20 years. In Caldwell and across the Treasure Valley, plumbing remodels often uncover aging shutoff valves, undersized drain/vent layouts, older water heaters, and mineral buildup that can shorten fixture life. This guide breaks down what to plan, what to ask, and how to avoid the common “we’ll deal with it later” mistakes that turn into leaks, slow drains, and surprise costs.

What “plumbing remodel” really includes (and what it doesn’t)

Plumbing remodel work is anything beyond a like-for-like swap that changes the way water comes in, drains out, or vents through the home. That might be moving a sink to an island, converting a tub to a shower, adding a second vanity, installing a pot filler, relocating a laundry box, or reworking drain lines so they can handle modern usage. It can also include upgrading shutoffs, replacing galvanized or polybutylene lines, adding hammer arrestors, and correcting old venting that causes gurgling drains.

What it typically doesn’t include: cosmetic work (tile, cabinets, paint), electrical changes, HVAC changes, or structural framing—though plumbing must be coordinated with all of these so your remodel is buildable and inspectable.

A practical remodel-plumbing checklist (use this before you buy fixtures)

1) Layout & “move count”
Every foot you move a drain or water line impacts labor, permits/inspections, and how much drywall or slab needs to be opened. Decide early which fixtures are staying close to their current locations.
2) Shutoffs you can actually reach
During a remodel, it’s smart to add accessible fixture shutoffs and a reliable whole-home shutoff strategy. In a leak, seconds matter.
3) Drain performance
Slow drains and repeat clogs are often design issues (slope, venting, partial obstructions) rather than “bad luck.” A remodel is the best time to correct the root cause.
4) Water heater capacity (especially for showers)
New shower valves, body sprays, soaking tubs, and multiple bathrooms can push a water heater past its comfort zone. Plan the hot-water load before walls close.
5) Water quality protection
Hard water can shorten the life of fixtures and water-using appliances. If you’re investing in new finishes, talk about softening/filtration so they stay looking good.
6) Permit/inspection timing
Rough-in and final stages need to be coordinated so the project doesn’t stall waiting on approvals.

Common Caldwell-area remodel upgrades that pay off

Kitchen sink & disposal refresh (done correctly)
Kitchens clog for predictable reasons: grease, starches, coffee grounds, and “flushable” misunderstandings. During a remodel, a plumber can confirm the branch line condition and recommend cleaning or jetting if buildup is already present—so your brand-new sink doesn’t inherit an old problem.
Shower conversions and comfort upgrades
Converting a tub to a shower can mean changing drain placement, adjusting trap/venting, and choosing the right valve. Good remodel plumbing also considers future access (service panels where appropriate) to avoid cutting tile later.
Repiping “hot spots” instead of waiting for a leak
If a home has sections of older, corrosion-prone piping or recurring pinhole leaks, a remodel is a cost-effective time to replace those runs while walls are already open.
Water softening/treatment planning
Treasure Valley homeowners commonly contend with hard water that contributes to mineral scale on fixtures and inside water heaters. Many local sources describe Boise-area water as “very hard” in the ballpark of the teens (grains per gallon). If you’re upgrading faucets, showerheads, and glass, it’s worth discussing a softener or targeted filtration so finishes stay cleaner with less scrubbing. (ironcrestremodel.com)

Remodel plumbing: repair vs. replacement (quick comparison)

Decision Point Repair / Keep Replace / Upgrade
Supply lines in an open wall OK if material is modern, valves are solid, no corrosion Smart if older material, repeated leaks, or brittle shutoffs
Drains that clog repeatedly Possible if cleaning resolves the cause and slope/venting is correct Better if there’s heavy buildup, root intrusion, or poor layout
Water heater for a bath upgrade OK if capacity matches demand and unit is in good condition Upgrade if adding high-demand fixtures or unit is near end-of-life
Fixture finishes & cleaning effort OK with routine maintenance, if water quality isn’t harsh Consider treatment if mineral scale is a persistent issue locally

Quick “Did you know?” remodel facts

Hard water can build scale inside a water heater. That scale can reduce efficiency and performance over time, which matters if your remodel adds hot-water demand. (truewateridaho.com)
High-pressure hot water jetting can remove stubborn buildup. For some clog-prone lines, jetting is a more thorough cleaning approach than basic snaking, especially when grease, soap, and sediment are involved.
Permits and inspections are often part of remodel plumbing. If walls are opened and plumbing is modified, the work may need permitting and staged inspections (rough-in and final). (cityofcaldwell.org)

Local angle: plumbing remodel planning in Caldwell, Idaho

Caldwell homeowners often want the remodel done fast—especially when a kitchen is down or a main bath is out of service. One of the best ways to keep your timeline intact is to plan inspections and submittals early. The City of Caldwell Building Safety Division provides an online permit portal for submitting building and trade permits, and notes that inspection requests must be scheduled by early morning for same-day inspection availability (when slots are open). (cityofcaldwell.org)

If your remodel includes plumbing changes (not just swapping a faucet), it’s worth confirming what permits are required and when rough-in needs to be inspected—before insulation, drywall, or tile goes in. The City of Caldwell also provides a dedicated plumbing permit application form. (cityofcaldwell.org)

Another local reality: many Treasure Valley homes deal with mineral-rich water. Planning for softening or filtration during a remodel can protect new fixtures, shower glass, and appliances—and can make day-to-day cleaning noticeably easier. (ironcrestremodel.com)

Tip for smoother scheduling: Before your project starts, ask your plumber which inspections are typically needed for your scope (rough-in, pressure test, final), and which trade should be on-site. Good coordination helps prevent a “finished wall, failed inspection” situation.

Ready to plan your Caldwell plumbing remodel with a local team?

Cloverdale Plumbing has served the Treasure Valley for decades, helping homeowners coordinate remodel plumbing that’s clean, code-aligned, and built for real-life use. If you’re remodeling a kitchen, bathroom, laundry, or adding fixtures, we can help you map the plumbing scope, reduce surprises, and keep your project moving.
For urgent problems during a remodel (active leak, sewer backup, no hot water), visit our 24/7 emergency plumbing page.

FAQ: Plumbing remodels in Caldwell

Do I need a permit to remodel plumbing in Caldwell?
If you’re changing plumbing (moving drains/supplies, adding fixtures, altering venting), permits and inspections are commonly required. The City of Caldwell provides plumbing permit applications and an online permit portal. For exact requirements tied to your scope, confirm with the City and your licensed plumber before work begins. (cityofcaldwell.org)
How can I prevent slow drains after my remodel?
Make sure the drain layout is designed correctly (slope, venting, trap setup) and that existing lines are cleaned or repaired if they already have buildup. For stubborn grease/scale/hair accumulation, hot water jetting can be a strong preventative option when appropriate for the pipe condition.
Should I replace shutoff valves during a kitchen or bath remodel?
If valves are old, hard to turn, corroded, or poorly located, replacing them during a remodel is often cost-effective because access is already open. This also makes future fixture repairs much easier and reduces the risk of a valve failing when you need it most.
Will hard water affect my new fixtures and shower glass?
Mineral-rich water can leave scale and spots, reduce flow over time, and contribute to buildup in water-using appliances. Many local sources describe Treasure Valley water as hard to very hard, so discussing a softener or targeted filtration during a remodel can help protect the investment you’re making in finishes. (ironcrestremodel.com)
What’s the best time to evaluate my water heater during a remodel?
Before fixture selections are finalized. If you’re adding a larger tub, multiple shower heads, or a second bathroom, the hot-water demand can change dramatically. Planning early lets you choose the right water heater option and avoid “running out of hot water” after the remodel is complete.

Glossary (helpful remodel-plumbing terms)

Rough-in: The stage where supply, drain, and vent piping is installed (often before drywall). This is commonly when inspections occur for remodel plumbing work.
Vent (DWV venting): Plumbing venting that balances air pressure so drains flow properly and trap seals don’t get siphoned, helping prevent sewer odors.
Trap: The curved section of drain pipe under sinks/showers that holds water to block sewer gases.
Hot water jetting: A high-pressure cleaning method that uses hot water to remove grease, sludge, and buildup from drain and sewer lines.
Water hardness (gpg): A measure of dissolved calcium and magnesium minerals in water, often expressed in grains per gallon (gpg). Higher hardness can contribute to mineral scale. (truewateridaho.com)
Scale: Mineral deposits (often from hard water) that can build up on fixtures and inside piping or water heaters, affecting performance over time.

Emergency Plumbing in Boise, ID: What to Do First (and What Not to Do) When a Plumbing Problem Hits

May 28, 2026

A calm, practical plan for fast plumbing emergencies in the Treasure Valley

When water starts showing up where it shouldn’t—under a water heater, behind a toilet, or seeping through a ceiling—minutes matter. The goal is simple: protect your family, limit damage, and get the right repair underway without making the situation worse. Below is a Boise-focused emergency checklist (plus prevention tips) from a team that’s been serving the Treasure Valley for decades.

Step 1: Decide if it’s a true plumbing emergency

In Boise homes, the most common “drop everything” scenarios involve active leaking, overflow risk, sewage, or loss of essential water service. If you’re unsure, treat it as urgent—water damage spreads quickly, especially into drywall, flooring, and cabinetry.

Call for emergency plumbing help right away if you have: a burst pipe, water pouring from a ceiling, a leaking water heater tank, a toilet overflowing and not stopping, sewage backing up, or no water in the house (especially if freezing temperatures are possible).

Step 2: Stop the water safely (your fastest damage-control move)

Most plumbing emergencies become expensive because the water keeps moving. If you can shut it off quickly, you often prevent a small leak from becoming flooring replacement, drywall removal, and mold mitigation.

Quick shutoff order (from simplest to broadest)

1) Fixture shutoff valve: Under sinks and behind toilets, turn the small valve clockwise until it stops.
2) Water heater cold-water shutoff: Usually above the heater on the cold line. Turn clockwise to stop feeding the tank.
3) Whole-home main shutoff: If water is moving fast (burst pipe), use the main shutoff to stop all water entering the home.

Safety note: If the leak is near electrical outlets, a panel, or a ceiling light, avoid standing water and consider shutting power off at the breaker before moving into the area.

Step 3: Contain the mess and protect surfaces

After the water is off, focus on limiting damage. This is the part homeowners can do well—no special tools required.

Use what you have: towels, buckets, a wet/dry vac, and a box fan to reduce moisture.
Move what matters: rugs, stored items, kids’ bath toys under the sink—anything absorbent or valuable.
Avoid chemicals: if a drain is backing up, skip store-bought drain opener until a plumber has assessed the line (some chemicals can complicate professional cleaning).

Most common Boise emergency scenarios (and the smartest first response)

1) Leaking or failed water heater

If the tank is leaking, shut off the cold-water supply to the heater. For gas units, set the control to “off” (or “pilot” depending on the system). For electric units, shut off the breaker to reduce risk. Then call for service—tank failures can escalate fast once the bottom of the tank gives way.

2) Multiple slow drains or a main line backup

When more than one drain is affected (for example: tub gurgling when the toilet flushes), it may be a main sewer line issue. Stop using water immediately. These situations often involve buildup (like fats, oils, and grease) or even root intrusion in older lines, which can catch debris and create recurring clogs.

3) Burst or frozen pipe risk (cold snaps)

If you suspect a frozen pipe, don’t use an open flame to thaw it. Shut off the main water, open a faucet to relieve pressure, and call a plumber. Many freeze breaks are discovered only after thawing—meaning water begins pouring into walls or crawlspaces.

Did you know? Fast facts that prevent repeat emergencies

“Frost-free” hose bibs can still freeze if a hose is left connected, because the faucet can’t drain properly. Disconnecting hoses is one of the simplest winter habits that prevents burst pipes.

Recurring clogs often need more than a snake. Snaking can open a path, but hot water jetting (hydro jetting) is designed to remove buildup more thoroughly in many cases—especially when grease or heavy scale keeps coming back.

Sediment shortens water heater life. In many homes, periodic flushing and inspections help maintain performance and reduce premature tank issues—especially where mineral content is higher.

What to do while the plumber is on the way (a simple checklist)

1) Document the situation

Take a few photos (source of leak, nearby valves, any visible damage). This helps speed diagnosis and supports insurance claims if needed.

2) Keep pets and kids away from the work zone

Wet floors, tools, and sharp cabinet edges make small spaces hazardous. Clear a path to the water heater, bathroom, or cleanout.

3) Stop using water if it’s a drain/sewer issue

Dishwashers, laundry, showers, and extra flushes can turn a manageable clog into a full backup. If multiple drains are affected, assume the main line is involved until proven otherwise.

Drain cleaning options: when snaking is enough vs. when hot water jetting helps

For Boise homes with recurring clogs, the right tool depends on what’s in the line—hair, grease, scale, roots, or a damaged pipe section. A professional assessment (and sometimes a camera inspection) prevents wasted visits and repeat blockages.

Situation Often a good first step What it solves best When to escalate
Single fixture clog (sink, tub) Snaking Localized hair/soap buildup If it returns quickly or multiple drains slow down
Recurring kitchen clogs Hot water jetting (hydro jetting) Grease and sludge buildup on pipe walls If there’s suspected damage or a collapse (camera inspection first)
Main line backup / multiple fixtures affected Diagnosis + cleaning plan Unknown blockage type If roots, offsets, or failing pipe are involved (repair/replace)

Boise note: If your home is older or you have mature trees, root intrusion can be a repeat offender for sewer issues. If backups happen more than once, it’s worth asking about inspection and long-term prevention instead of “just clearing it again.”

Local angle: Treasure Valley habits that prevent emergency calls

Boise weather swings and busy family schedules make it easy to miss small warning signs. A few simple seasonal routines can dramatically lower the odds of a midnight leak or a holiday-weekend clog.

Before the first hard freeze: disconnect hoses, drain and store them, and protect exposed hose bibs. If you have plumbing runs in a garage, keep the door closed during cold snaps.
Monthly: look under sinks for dampness, check around the water heater base, and listen for toilets that “refill” on their own (a silent leak that can raise bills).
Any time you remodel: take the opportunity to replace aging shutoff valves and update fixtures correctly—quality installation helps prevent future emergencies behind new tile and cabinetry.

Need an emergency plumber in Boise?

Cloverdale Plumbing provides 24/7 emergency plumbing repairs across Boise and the Treasure Valley. If you have an active leak, a water heater problem, or a drain/sewer backup, the fastest next step is to get a licensed plumber dispatched while you keep the water controlled.

FAQ: Emergency plumbing in Boise, Idaho

What’s the first thing I should do if a pipe bursts?

Shut off the whole-home main water valve immediately, then open a faucet to relieve pressure. If water is near electrical outlets or fixtures, shut off power to that area at the breaker before stepping into standing water.

Is a leaking water heater always an emergency?

A small drip from a fitting may be repairable, but water pooling at the base of a tank can indicate the tank is failing. If you see active leaking, shut off the cold supply to the heater and schedule service right away.

Why do my drains clog again so quickly?

Fast repeat clogs usually mean buildup is still coating the inside of the pipe, the line has a belly/sag, or roots are entering through a joint or crack. A more thorough cleaning method (like hot water jetting) or a camera inspection may be the most cost-effective next step.

Should I use chemical drain opener for an emergency clog?

If a drain is backing up or multiple fixtures are affected, it’s safer to stop using water and call a plumber. Chemical products can be hazardous to handle during professional cleaning, and they don’t address larger issues like grease-packed mains, roots, or damaged pipe.

Do you offer non-emergency plumbing services too?

Yes—many emergencies can be prevented with proactive repairs and upgrades. Cloverdale Plumbing also handles water heater installation, pipe repair and replacement, drain cleaning, fixture installations, water treatment systems, and remodel/new construction plumbing.

Glossary (plain-English plumbing terms)

Main shutoff valve: The valve that stops water entering your home. Use it when a leak is moving fast or you can’t isolate the problem to one fixture.
Hose bib: An outdoor faucet/spigot. In Boise winters, hoses left attached can prevent proper draining and raise freeze risk.
Hydro jetting / hot water jetting: Professional drain cleaning that uses high-pressure water (often heated) to remove grease, scale, and buildup from pipe walls.
Sewer cleanout: A capped access point (often outside or in a basement/crawlspace) that allows a plumber to service the main sewer line.

Plumbing Remodels in Meridian, ID: A Homeowner’s Guide to Smarter Layouts, Fewer Leaks, and Better Water Use

March 12, 2026

A remodel that looks great is nice. A remodel that functions flawlessly is the win.

If you’re planning plumbing remodels in Meridian—whether it’s a bathroom refresh, a kitchen rework, or a full-home upgrade—the plumbing decisions you make behind the walls will determine how the space feels every day. Done right, a remodel improves water pressure, reduces clog risk, prevents surprise leaks, and can even cut indoor water use with modern, high-efficiency fixtures. EPA WaterSense notes that bathrooms account for more than half of typical indoor household water use, so fixture choices during a remodel can have a noticeable long-term impact. (epa.gov)
Cloverdale Plumbing has served the Treasure Valley since 1953, and we’ve seen the same pattern over and over: homeowners spend time choosing tile and finishes, but the biggest “daily comfort” improvements come from smart plumbing planning—pipe routing, venting, shutoff placement, drain sizing, and fixture selection.

What counts as a “plumbing remodel” (and why it matters)

A plumbing remodel is any project that changes how water comes in, how wastewater leaves, or how fixtures operate. That can range from swapping a vanity and faucet to moving a shower, adding a tub, relocating a kitchen sink, or rerouting drain and vent lines. The bigger the layout change, the more important it is to verify pipe sizing, slope, venting, and access for future service.
Remodel scope Typical plumbing work Risk if done poorly Best practice
Fixture swap (same locations) New faucets/toilet, supply lines, shutoffs Leaks, poor performance, noisy pipes Upgrade stops/valves, verify pressure and fittings
Partial layout change Move sink/shower, new drain/vent tie-ins Slow drains, sewer odors, recurring clogs Confirm venting and slope; keep cleanouts accessible
Full remodel / addition New lines, manifold options, water heater sizing Pressure drops, hot-water delays, expensive rework Plan as a system: demand, distribution, and drainage

Meridian permitting & inspections: what homeowners should know

Many remodels require permits and inspections, especially when you’re altering supply/drain/vent piping or tying into utilities. In Meridian, building/planning inspections are scheduled through the city’s online portal, and the city notes that connections to city utilities must be inspected for acceptance and permit closure. (meridiancity.org)
Idaho’s Division of Occupational and Professional Licenses (DOPL) also outlines plumbing permit and inspection processes and lists common inspection types such as rough-in, ground work, and final. (dopl.idaho.gov)
Practical tip: Even if you’re not the one scheduling inspections, ask your plumber to walk you through (1) which inspections are expected, (2) what has to be visible (e.g., rough-in before drywall), and (3) the rough timeline so your tile, cabinet, and drywall crews aren’t delayed.

Step-by-step: how to plan a plumbing remodel that won’t surprise you later

1) Start with how your household actually uses the space

Two kids taking back-to-back showers? A kitchen that runs dishwasher + sink + laundry at the same time? Usage patterns affect pipe sizing, pressure stability, and hot-water capacity.
 

2) Decide what’s moving (and what should stay put)

Keeping fixtures near existing stacks and drains often reduces cost and complexity. If you want to move a shower or tub, make sure the plan accounts for drain slope, venting, and access to cleanouts.
 

3) Upgrade shutoffs and access points while walls are open

Remodel time is the easiest time to add individual fixture shutoff valves, replace aging angle stops, improve access panels, and confirm your main shutoff is functional and reachable.
 

4) Pick fixtures for performance, not just looks

Water-efficient doesn’t have to mean “weak.” EPA WaterSense labeled bathroom faucets (and accessories like aerators) use a maximum of 1.5 gallons per minute and can reduce flow significantly compared to older 2.2 gpm models—without sacrificing performance. (epa.gov)
Toilets are another big opportunity: EPA WaterSense reports that replacing old, inefficient toilets can reduce toilet water use by 20–60% and save thousands of gallons per year for many households. (epa.gov)
 

5) Don’t ignore drains (they’re the #1 “day-ruiner”)

If your remodel includes a kitchen or a heavily used bathroom, consider proactive drain cleaning before and/or after construction—especially if you’ve had slow drains or backups. For tough buildup like grease, sludge, and scale, hot water jetting is a powerful option that clears the pipe interior more thoroughly than a quick “poke and go.” For ongoing issues, see our drain cleaning service page.

Common “hidden” upgrades that pay off during a remodel

Targeted pipe repair or repiping: If you’ve had recurring pinhole leaks, corrosion, or pressure issues, remodel time is ideal to address supply lines and aging drains. Learn more about pipe replacements and repairs.
Water heater right-sizing: A new primary bathroom, larger tub, or extra occupants may mean your current water heater needs adjustment or replacement. See water heater installation options.
Fixture installation that protects finishes: New faucets, toilets, and trim should be installed with correct sealing and torque so you don’t crack tile, damage threads, or create slow leaks. Visit plumbing fixture installation.
Water softening/treatment planning: If you’re already upgrading a kitchen or adding a pot filler, it’s a great time to evaluate filtration, reverse osmosis, or softening. Learn about water softening systems.
Working with a plumber early also helps your designer and contractor avoid “pretty but impractical” decisions—like putting shutoffs where they’re blocked by cabinets, choosing a faucet that needs an uncommon valve, or specifying a drain location that’s difficult to vent correctly.

Quick “Did you know?” facts for remodel planning

Bathrooms are the largest indoor water users in many homes—often more than half of indoor use—so fixture upgrades can add up quickly. (epa.gov)
WaterSense faucet accessories (like aerators) can be a low-cost change with measurable savings over time. (epa.gov)
Old toilets are common leak culprits, and WaterSense resources highlight how much water (and money) can be wasted from inefficient toilets and worn parts. (epa.gov)
Plumbing inspections have standard checkpoints such as rough-in and final, which is why it’s so important to coordinate plumbing with drywall and tile schedules. (dopl.idaho.gov)

Local angle: remodeling in Meridian and the Treasure Valley

Meridian homes range from older neighborhoods with aging supply lines to fast-growing areas with newer builds and expanding family needs. No matter the age of the home, remodels are when small plumbing details become big quality-of-life improvements—especially when you’re trying to prevent water damage, keep drains clear, and avoid downtime.
If your project involves connecting to city utilities or needs city acceptance as part of the permit closure process, the City of Meridian provides inspection guidance and contact info for scheduling and coordination. (meridiancity.org)
Planning a remodel outside Meridian (Boise, Eagle, Kuna, Star, Nampa, Caldwell)? The same fundamentals apply, but permit/inspection steps can vary by jurisdiction. A local, licensed plumber helps keep the project compliant and on schedule.

Ready to plan your plumbing remodel?

If you want a remodel that works as good as it looks, talk with a plumber early—before walls close and before fixtures are ordered. Cloverdale Plumbing can help with layout planning, fixture installation, drain performance, pipe repairs, and water heater needs throughout the Treasure Valley.

FAQ: Plumbing remodels in Meridian, Idaho

Do I need a permit for a bathroom or kitchen plumbing remodel in Meridian?

It depends on the scope. Swapping like-for-like fixtures may be simpler, but moving plumbing, adding fixtures, or tying into utilities often triggers permitting and inspections. Meridian provides building/planning inspection scheduling guidance, and city utility connections must be inspected for acceptance and permit closure. (meridiancity.org)

When should I call a plumber during a remodel—before or after the design is finalized?

Before you finalize. Early input helps avoid layout problems (venting, drain slope, pipe sizing) and prevents delays when it’s time for rough-in and inspections.

What’s the difference between snaking a drain and hot water jetting?

Snaking typically punches through or retrieves a blockage. Hot water jetting uses high-pressure hot water to scour buildup (like grease, hair, scale, and sediment) from the pipe interior, which can help reduce recurring clogs—especially in kitchen and mainline situations.

Will low-flow fixtures make my shower or faucets feel weak?

Not necessarily. WaterSense-labeled products are designed to meet performance criteria while using less water. For example, WaterSense labeled bathroom faucets and accessories cap flow at 1.5 gpm and can reduce flow versus older 2.2 gpm standards. (epa.gov)

What upgrades are easiest to do when walls are open?

New shutoff valves, improved access panels, updated supply lines, strategic cleanouts, and targeted pipe replacement are all much easier (and usually more cost-effective) during a remodel than after finishes go in.

Glossary (helpful remodel terms)

Angle stop: The small shutoff valve under a sink or behind a toilet that lets you turn water off to that fixture without shutting down the whole house.
Cleanout: A capped access point on a drain line that allows a plumber to clear blockages and service the pipe.
Drain-waste-vent (DWV): The system of pipes that removes wastewater (drain/waste) and prevents sewer gases from entering the home (venting).
Rough-in: The stage where plumbing lines are installed and tested before drywall and finishes are installed; often tied to an inspection.
WaterSense: An EPA program that labels independently certified products designed to save water while maintaining performance. (epa.gov)