7 Supplies for Assembling a Pig Nipple Waterer System

Hauling heavy open water troughs into a hog pen only to watch pigs turn them into mud baths within ten minutes is one of homesteading’s most frustrating chores. A gravity-fed pig nipple watering system delivers clean, continuous hydration while keeping the pen bedding dry and drastically reducing daily barn labor. Equipping your paddock with the right components ensures your herd gets fresh water without constant maintenance or structural failures.

Disclosure: As an Amazon Associate, this site earns from qualifying purchases. Thank you!

Planning Your DIY Pig Nipple Watering System

A successful DIY watering system relies on simple physics and durable geometry. Pigs are notoriously destructive, pushing, rubbing, and chewing on anything within reach inside their enclosure. Designing a functional system requires balancing gravity head pressure with rigid mounting points that withstand hundreds of pounds of animal force.

Gravity-fed systems eliminate the need for electrical pumps or pressurized grid water, making them ideal for pasture rotations and remote paddocks. Every 2.3 feet of elevation between the water level in the reservoir and the nipple drinker provides roughly one pound per square inch (PSI) of water pressure. Elevating a 55-gallon drum 3 to 4 feet off the ground generates sufficient flow for standard bite-style nipples.

Plan your piping route to minimize sharp bends and keep the supply line protected along fence posts or shelter walls. Situate the watering station away from bedding areas and feed troughs so excess dripping drains away from sleeping quarters. Grouping pigs according to size ensures equal access and keeps lower-ranking animals from being crowded out at a single drinker point.

Nipple Drinker – Hog Slat Stainless Pig Nipple

The nipple drinker serves as the primary mechanical interface between your pigs and their water supply. A standard plastic valve quickly splits under constant hog chewing, making a solid metal nipple indispensable. The Hog Slat Stainless Pig Nipple features a heavy-duty, solid stainless steel body engineered to resist rust, physical abuse, and mineral buildup.

Key features include:

• 1/2-inch MPT connection for easy integration into standard plumbing fittings
• Internal stainless steel spring and wrench flats for quick installation and tight sealing
• Bite-style trigger pin that dispenses water only when compressed by the pig’s mouth

This drinker excels in small-scale hog setups because the internal silicon seal prevents slow, persistent drips that flood pens. The spring-loaded trigger requires deliberate pressure, teaching pigs to drink cleanly without spraying water into their bedding. Before installing, ensure the water pressure in your line stays below 50 PSI to avoid making the trigger pin too stiff for younger feeder pigs to operate.

This drinker is ideal for growers raising 2 to 20 feeder pigs through market weight. It is less suited for tiny piglets under 15 pounds, who lack the jaw strength needed to depress the heavy internal spring mechanism.

Water Reservoir – Hudson Exchange 55 Gallon Drum

A reliable reservoir must store enough volume to cushion your daily chores while keeping contaminants out. Open buckets gather dust, flies, and mud, leading to clogged lines and sick stock. The Hudson Exchange 55 Gallon Drum provides a high-capacity, closed-loop water source crafted from thick, food-grade high-density polyethylene (HDPE).

Key features include:

• 55-gallon total capacity to sustain several pigs for days between fills
• BPA-free food-grade polyethylene that will not leach chemicals into standing water
• Top bung caps with standard threads for filling and venting setup

The heavy structural walls resist bulging under the immense pressure of 450 pounds of water. The opaque material blocks sunlight, dramatically reducing algae growth inside the tank during hot summer months. Because full tanks are extremely heavy, position the drum on a sturdy, level wooden stand or concrete block pedestal before filling it to capacity.

This container is perfect for off-grid paddocks, pasture rotations, and homesteaders who fill waterers with a garden hose or hauled tote. It is not intended for high-pressure direct municipal hookups, as it functions strictly as an unpressurized storage vessel.

Bulkhead Fitting – Banjo Heavy Duty Tank Fitting

Connecting a rigid PVC line to a rounded plastic drum wall requires a high-stress seal that will not leak under movement. Standard pipe fittings threaded into thin plastic walls will tear out or drip within days. The Banjo Heavy Duty Tank Fitting provides a commercial-grade, liquid-tight pass-through engineered specifically for curved tank walls.

Key features include:

• Glass-filled polypropylene body for extreme chemical and impact resistance
• Thick EPDM sealing washer that compresses tightly against curved walls
• Left-hand reverse threads on the locking nut to prevent loosening during pipe assembly

Installing this bulkhead requires drilling a clean hole near the bottom of the drum using a hole saw. Position the fitting roughly two inches above the bottom floor to create a natural settling trap for sediment. Ensure the EPDM gasket sits on the inside of the tank against the flange face to seal water pressure cleanly against the interior wall.

This fitting is an absolute necessity for anyone using plastic drums or stock tanks as automated watering reservoirs. It is unnecessary if you are plumbing your nipple lines directly into a pressurized home water main.

PVC Tubing – Charlotte Pipe Schedule 40 PVC

The main conduit between your elevated reservoir and the lower drinker station must handle constant animal contact and ground movement. Flexible hoses kink, degrade under UV exposure, and invite pigs to chew them to shreds. Charlotte Pipe Schedule 40 PVC offers the ideal balance of structural rigidity, smooth interior flow, and widespread hardware compatibility.

Key features include:

• Thick-walled Schedule 40 construction resistant to crushing and bending
• Smooth internal bore to maximize gravity flow rates and minimize biofilm buildup
• Standard solvent-weld dimensions for easy connection to fittings

Using 3/4-inch PVC pipe provides better structural support over distance than thinner 1/2-inch alternatives, preventing line sag. Coat exposed outdoor runs with exterior-grade latex paint or shield them behind wooden fence posts to protect the plastic from long-term UV embrittlement. Glue every joint cleanly using purple primer and heavy-duty PVC cement, ensuring full insertion before the glue sets.

This piping is ideal for permanent and semi-permanent pen layouts where line stability is vital. It is less suitable for temporary mobile setups that require daily folding or extreme flex.

Thread Seal Tape – Oatey Fastape PTFE Thread Tape

Metal-to-plastic and plastic-to-plastic threaded joints are prime locations for slow, frustrating leaks. Without proper thread sealant, pressurized water or static gravity head will weep past NPT thread gaps over time. Oatey Fastape PTFE Thread Tape creates a dense, watertight seal across all threaded connections in your watering system.

Key features include:

• High-density polytetrafluoroethylene material that stretches without tearing
• Clean, non-hardening seal allowing for easy component disassembly later
• Universal compatibility with PVC, brass, stainless steel, and polypropylene threads

Apply the tape by wrapping it tightly around the male pipe threads three to four times in a clockwise direction. Wrapping clockwise ensures the tape stays flat and tight as you thread the fitting into the female socket, rather than unraveling. Avoid using liquid pipe dopes that contain harsh solvents, as they can weaken plastic bulkhead fittings and contaminate drinking water.

This product is a mandatory supply for every DIY plumber and livestock builder assembling threaded components. There is no scenario where assembling threaded water lines without PTFE tape is recommended.

Inline Filter – Rusco Spin Down Water Filter

Sediment, rust particles, and algae will quickly jam the delicate internal springs and O-rings of pig nipples, causing catastrophic continuous leaks. Filtering water before it reaches the drinker valve extends system life and preserves clean bedding. The Rusco Spin Down Water Filter traps heavy debris in a visible chamber, keeping lines free-flowing.

Key features include:

• Reusable 100-mesh stainless steel filter screen that requires no frequent replacement
• Clear polycarbonate body for instant visual inspection of dirt accumulation
• Bottom flush valve allowing quick flushing without dismantling the plumbing line

In gravity-fed systems, water pressure is low, so choosing the right mesh count is critical. A 100-mesh (152 micron) screen stops sand, rust, and organic flakes without restricting gravity water flow. Mount the filter vertically in the main line between the drum bulkhead and the drinker height adjustment section so sediment drops into the lower purge pocket.

This filter is crucial for homesteaders using well water, collected rainwater, or unsealed storage drums. It is less necessary if your system runs exclusively on ultra-clean, micro-filtered municipal tap water.

Mounting Bracket – HoldRite Galvanized Clamp

Pigs naturally use drinker pipes as rubbing posts, putting extreme leverage on the drop line and nipple connection. Without robust structural support, a 200-pound hog will snap PVC fittings or pull threads right out of the wall. The HoldRite Galvanized Clamp anchors the bottom water assembly securely to fence posts, structural wall framing, or metal pen panels.

Key features include:

• Heavy-gauge galvanized steel construction to prevent rust in humid barn settings
• Multi-hole mounting pattern for versatile positioning on wood or masonry
• Formed pipe channel that grips rigid PVC tightly without crushing the pipe wall

Fasten the bracket into solid wood posts using heavy structural lag screws rather than light drywall screws that snap under shear stress. Place one bracket immediately above the nipple tee and another 18 inches higher up the supply pipe to distribute physical impact. Adding a backing block behind the pipe prevents the bracket from crushing the PVC when fully tightened.

This bracket is essential for securing drop pipes inside active pig pens and pasture shelters. It is not designed for flexible hose setups or unsupported free-hanging pipe runs.

Setting the Correct Nipple Height for Pigs

Proper nipple placement determines whether water ends up inside the pig or on the pen floor. If mounted too low, pigs will bite down awkwardly, spilling gallons of water and creating a deep mudhole. If mounted too high, younger or smaller animals cannot depress the pin valve and risk dehydration.

Set the nipple height roughly 2 to 3 inches above the shoulder height of the smallest pig in the pen. Mounting the nipple pointing downward at a 45-degree angle allows the pig to take the valve fully into its mouth, creating a clean seal with its lips while drinking. As the herd grows, adjust the drop pipe height upward to maintain this ergonomic angle.

Using a sliding rail or vertical pipe bracket with multiple clamp positions makes height adjustments quick and painless. Taking five minutes every few weeks to raise the waterer line keeps the pen dry and ensures maximum water intake for rapid growth.

Preventing Frozen Lines During Winter Months

Sub-zero weather transforms a convenient nipple waterer into a solid block of ice in just a few hours. Water expands as it freezes, cracking PVC fittings, splitting stainless valves, and rupturing drum walls. Preparing your system for winter requires heat retention and active thermal management.

Wrap exposed PVC supply lines and the metal nipple assembly with heavy-duty thermostatically controlled heat tape, followed by thick foam pipe insulation. Inside the reservoir drum, install a submersible bucket heater rated for plastic containers to keep the main volume from freezing solid. Ensure all electrical cords are completely shielded inside metal conduit or run outside the pen where hogs cannot chew them.

For unheated pasture paddocks lacking electricity, drain the entire system before the first hard freeze and revert to heated rubber tubs. Gravity systems with low pressure freeze significantly faster than continuous-loop pressurized lines, making early season winterization critical.

Cleaning and Sanitizing Your Pig Waterer

Algae, bacteria, and dust accumulate quickly inside standing water drums, creating a slick biofilm along tank walls. This bacterial growth degrades water quality, causes valve sticking, and can introduce pathogens to your herd. Establishing a routine cleaning schedule preserves equipment and keeps livestock healthy.

Drain and scrub the drum completely between every batch of feeder pigs, or once every month during hot summer weather. Fill the system with a mild sanitizing solution of 1 cup of unscented household bleach per 55 gallons of water, allowing it to sit in the tank and lines for several hours. Flush the entire system thoroughly with fresh water until no chlorine odor remains before allowing pigs access.

Remove the nipple valve annually to inspect the internal rubber O-ring and spring for wear or mineral scale. Soaking metal parts in white vinegar dissolves hard water deposits and restores the smooth mechanical action of the trigger pin.

Testing System Pressure Before Turning Swine In

Never introduce pigs to a newly built watering system without conducting a thorough dry run and pressure test. Finding a leaking fitting or stuck pin valve is far easier on clean concrete than in a knee-deep mud puddle full of curious hogs. Taking time to verify every joint saves endless troubleshooting later.

Fill the drum completely to apply maximum static head pressure to the bulkhead and lower fittings. Inspect every threaded joint, solvent weld, and filter seam for tiny moisture beads or active weeping. Check the nipple valve by manually depressing the trigger pin several times to ensure it snaps shut instantly without leaking when released.

Measure the water discharge rate by holding a measuring cup under the nipple for 60 seconds while depressing the pin. A flow rate of 1 to 2 quarts per minute is ideal for growing feeder pigs, providing adequate hydration without excessive backpressure splash. Once the line holds pressure and flows cleanly, the pen is ready for livestock.

Building a custom pig nipple watering system with durable, correctly sized components eliminates daily watering hassles and maintains a clean, healthy pen environment. By investing in solid fittings, proper mounting, and routine maintenance, your system will deliver reliable hydration season after season. With the right gear in place, you can spend less time hauling buckets and more time managing a productive homestead.