You have your well drilled, the pump installed, and now you need a reliable way to move water from the ground to your home or irrigation system. Black polyethylene pipe — often called poly pipe — is the industry standard for well water lines because of its flexibility, durability, and resistance to corrosion. Whether you are replacing an old line or building a new system from scratch, choosing the right black poly pipe for well applications is essential for long-term performance and peace of mind.
In this guide, we review five top-rated black poly pipes for well use, ranging from small-diameter coils for residential water lines to larger, high-pressure options for demanding agricultural tasks. We also cover what to look for when buying, including pressure ratings, material certifications, and size considerations. For more on building a complete well system, check out our Well Pumps category or explore Replacement & Parts for additional components.
Pros
- NSF approved for drinking water, ensuring safe potable use.
- High 200 psi pressure rating supports demanding water line needs.
- Made in USA with a 25 year warranty for added reliability.
- Lightweight and flexible, simplifying DIY and professional installations.
- Long 100 ft coil minimizes joints and potential leak points.
Cons
- This pipe is rated for cold water only, so it is not suitable for hot water plumbing applications.
- As a coil pipe, it may retain some curvature after unrolling, requiring extra effort for straight installations.
- UV exposure can degrade polyethylene over time, so keep the pipe shielded from direct sunlight for long term durability.
The Cresline 18005 is a 3/4 inch by 100 foot black polyethylene pipe designed for cold water supply and irrigation. It is a practical choice for homeowners, plumbers, and RV owners who need a reliable, flexible water line that can handle up to 200 psi of pressure.
What sets this pipe apart is its NSF certification for drinking water, meaning it meets strict standards for potable water safety. The high pressure rating and 100 foot continuous length reduce the need for extra fittings, making installation faster and less prone to leaks. Customers rate it highly for quality and performance.
Build quality is solid, with the pipe manufactured in the USA and backed by a 25 year limited warranty. Its lightweight 13 pound construction and flexible material make it easy to route through trenches, under decks, or around obstacles. The nominal wall thickness of 0.092 inches provides a good balance between durability and flexibility.
A few limitations exist. This pipe is intended for cold water only, so it should not be used for hot water lines. Also, like most coil pipe, it tends to retain some curl after unrolling, and it should be kept out of prolonged direct sunlight to prevent UV damage.
Overall, the Cresline 18005 delivers dependable performance for residential and commercial water supply projects at a reasonable cost. If you need a safe, strong, and easy to install polyethylene pipe, this is a strong option.
Brand: Cresline
Manufacturer Part Number: 18005
ASIN: B00EV3KBFQ
Size: 3/4 in. x 100 ft.
Material: High-quality polyethylene
Color: Black
Maximum Pressure: 200 psi
Outside Diameter: 1.008 in.
Nominal Wall Thickness: 0.092 in.
Item Weight: 13 lbs.
Item Dimensions: 1200 in. L x 1.01 in. W (in coil form)
Unit Count: 1
Warranty: Limited 25-year warranty
Country of Origin: USA
Pros
- High pressure rating (160 PSI) handles deep burial and heavy flow
- NSF approval guarantees safety for drinking water systems
- 100-foot coil reduces the need for connectors and potential leak points
- Excellent durability in rocky or abrasive soil conditions
- Competitive price for a heavy-duty polyethylene pipe
Cons
- Not compatible with PEX fittings or systems; requires proper polyethylene connectors
- Wall thickness may be thinner than some users expect for PEX compatibility
- Only available in 1-inch diameter, limiting size options for larger applications
The Cresline Plastic HD160 (SIDR-9) is a 1-inch polyethylene pipe designed for potable water systems. It comes in a convenient 100-foot coil and is rated for 160 PSI, making it suitable for underground well lines and irrigation. This pipe is NSF approved, ensuring it meets safety standards for drinking water.
Its standout feature is the high pressure rating, which allows it to withstand the demands of deep burial and heavy flow. Real-world performance from users shows it holds up well in rocky soil, thanks to its thick polyethylene wall. The black color with white print makes it easy to identify and resists UV degradation during storage.
Build quality is solid, with consistent wall thickness and smooth interior for efficient water flow. The coil form simplifies transport and installation, reducing the need for multiple connectors. However, note that this is standard polyethylene pipe, not PEX, so it requires compatible fittings and tools.
A key drawback is that it is not interchangeable with PEX systems. One reviewer mistakenly ordered it for PEX and found the walls too thin for PEX fittings. Always verify your system's requirements before purchasing. Additionally, the pipe is only available in 1-inch diameter, which may not suit larger projects.
Overall, the Cresline Plastic HD160 is an excellent choice for anyone needing a reliable, NSF-approved polyethylene pipe for drinking water or irrigation. It delivers on pressure rating and durability at a fair price. Just ensure you use the correct fittings and connectors for polyethylene pipe.
Diameter: 1 inch
Length: 100 feet (coil)
Working Pressure: 160 PSI
Material: Polyethylene (PE)
Color: Black
NSF Standard: NSF/ANSI 61 for potable water
Brand: Cresline Plastic
Model: HD160 (SIDR-9)
Pros
- NSF certified for drinking water safety
- High-density polyethylene resists corrosion and cracking
- Flexible and easy to cut and install
- Made in USA with quality materials
- Affordable alternative to big box stores
Cons
- Not UV resistant; must be kept out of direct sunlight for extended periods
- Rated at 100 PSI only, which may not suit higher-pressure applications
- Requires insert fittings and stainless steel clamps (not included)
The Cresline 1-inch x 100-foot polyethylene pipe is a versatile solution for water delivery in residential, farm, and industrial settings. Rated at 100 PSI and NSF approved for drinking water, it is ideal for well systems, irrigation, sprinklers, and even submersible pump lines. Its high-density polyethylene construction resists corrosion and cracking, ensuring long-lasting performance in underground or indoor applications.
Real-world users praise its ease of installation: the pipe is lightweight and flexible, allowing for quick cutting to custom lengths. Many reviewers note it works well for well water and farm use, with one stating it is “working great” in their well. The pipe also handles consistent pressure without issues, making it reliable for daily water transport.
Build quality is solid for its price point, manufactured in the USA to meet ASTM D2239 and D2737 standards. However, it is not designed for prolonged exposure to sunlight, so it should be buried or shaded. The 100 PSI rating is sufficient for most residential needs, but some users have reported needing a higher pressure rating (e.g., 200 PSI) for certain applications.
A notable drawback is the return process: one reviewer shared a costly experience with return shipping and restocking fees. This suggests buyers should carefully confirm their pressure requirements before purchase. Additionally, the pipe requires insert fittings and stainless steel clamps, which are sold separately.
Overall, the Cresline polyethylene pipe offers a good balance of durability, flexibility, and affordability for standard water systems. It is best suited for projects where 100 PSI is adequate and where UV exposure can be avoided. For higher-pressure demands, consider a thicker or reinforced pipe.
Pros
- Made in USA with reliable quality control.
- Flexible and lightweight for easy installation and routing.
- Rated for 80 psi, suitable for many irrigation and well applications.
- UV-resistant black color extends outdoor lifespan.
- Long 300-foot roll reduces joints and potential leak points.
Cons
- Some users report the pipe feels thin and kinks easily during installation.
- Not NSF approved, so cannot be used for potable water.
- Low customer rating suggests potential inconsistency in durability.
The Cresline 1-inch by 300-foot black polyethylene pipe is designed for irrigation, well, and sprinkler systems. It is a budget-friendly option for residential and agricultural cold water distribution.
With an 80 psi working pressure, this pipe handles typical water flow needs. Its flexibility allows it to snake around obstacles, reducing the need for fittings. The 300-foot length minimizes connections, which can lower leak risks.
Made in the USA from selected polyethylene resins, the pipe is lightweight and UV resistant. The black color helps it withstand sun exposure. However, some users note that the wall thickness feels thin compared to heavier-duty options.
A significant drawback is the tendency to kink if bent too sharply, as mentioned in customer feedback. Additionally, it lacks NSF approval, so it is not suitable for drinking water. This limits its use to non-potable applications.
The Cresline poly pipe is a solid choice for budget-conscious projects where potable water is not required. Its ease of installation and long length are major pluses, but careful handling is needed to avoid kinks. For high-demand or heavy-duty uses, consider a thicker-walled alternative.
Pros
- NSF certified for potable water
- High pressure capacity 200 PSI
- Flexible and easy to install
- 25-year warranty
- Lightweight 100 ft coil
Cons
- Requires special CTS fittings, not standard IPS
- Some users report confusion over inside vs outside diameter sizing
- Limited to 100 ft length may require splicing for larger projects
The Cresline HD-CTS polyethylene pipe is a 1-inch by 100-foot black plastic pipe designed for long irrigation runs and well water systems. It is NSF-approved for drinking water, making it suitable for both residential and commercial water distribution. This pipe is ideal for farmers, landscapers, and homeowners needing a flexible, high-pressure tubing solution.
With a maximum pressure rating of 200 PSI at 73.4°F, this pipe can handle demanding water supply tasks. Its flexible construction allows for easy bending around obstacles without kinking, and the 100-foot coil reduces the need for multiple joints. The nominal wall thickness of 1.125 inches provides durability against underground installation stresses.
The pipe is made from high-density polyethylene, a plastic known for its resistance to corrosion and chemicals. Cresline backs it with a 25-year limited warranty, indicating confidence in its longevity. However, it is important to note that this pipe uses copper tube size (CTS) dimensions, meaning the 1-inch measurement refers to the outside diameter, not the inside diameter. This requires specific CTS fittings, not standard IPS fittings.
The primary drawback reported by users is the sizing confusion. One reviewer noted that the pipe did not fit standard 1-inch fittings because it is CTS, not IPS. Another reviewer emphasized the need to understand the difference between CTS and IPS before purchase. Additionally, the product has only a 3.2-star rating from two reviews, which may reflect this sizing issue. Ensure you have the correct connectors for your project.
Overall, the Cresline HD-CTS pipe is a quality product for its intended applications, offering high pressure rating and NSF approval. If you are aware of the CTS sizing and have the appropriate fittings, it performs well for irrigation and water supply. For those unfamiliar with pipe sizing, careful measurement and research are recommended before buying.
Material: Plastic (Polyethylene)
Color: Black
Length: 100 feet
Outside Diameter: 1 inch
Nominal Wall Thickness: 1.125 inches
Maximum Pressure: 200 PSI
NSF Approved: Yes
Warranty: 25-year limited
Country of Origin: China
Buying Guide for Black Poly Pipe
Material and Durability
Black polyethylene pipe is made from high-density polyethylene (HDPE) or similar resins that resist UV rays, chemicals, and physical stress. Look for pipes that are manufactured in the USA or from reputable brands like Cresline, which often indicates stricter quality control. Pipes with NSF certification are verified for drinking water safety, an important factor if the line supplies your home.
Durable pipes also withstand ground movement and freezing better than rigid alternatives, making them ideal for direct burial. The flexibility of poly pipe allows it to be laid in long, continuous runs without joints, reducing leak points.
Pressure Rating
The maximum working pressure — measured in psi — determines whether the pipe can handle the output of your well pump and the elevation changes on your property. For typical residential well systems, a pipe rated at 100 psi or higher is sufficient. For deeper wells or high-pressure pumps, consider pipes rated at 160 psi or even 200 psi to provide a safety margin.
Matching the pressure rating to your system prevents bursts and premature failures. Always check the pump’s shut-off pressure and the static water level in your well before choosing a pipe. Our guide on choosing the right well pump can help you calculate these values.
Size and Length
Black poly pipe comes in diameters from 3/4 inch up to 2 inches or more, and in coils of 100, 300, or even 500 feet. The diameter you need depends on the flow rate required by your household or irrigation system. A 3/4-inch pipe works for most single-family homes, while 1-inch or larger is better for larger properties or high-demand applications.
Longer coils reduce the number of connections needed, which saves installation time and minimizes potential leak points. For a typical well-to-house run of 100 to 300 feet, a single coil is often enough. Plan your route carefully and order a length that leaves some extra for bends and vertical rises.
Certifications and Approvals
If your well supplies drinking water, the pipe must be NSF/ANSI 61 certified for potable water. This certification ensures the material does not leach harmful chemicals into the water. Many black poly pipes also meet ASTM standards for pressure and dimensional tolerances. Pipes marked “NSF” or “NSF-PW” are verified for drinking water safety.
For non-potable uses like irrigation or livestock watering, certification is less critical, but still advisable for long-term reliability. Always check the product description or packaging for certification marks before purchasing. The well pump kit buying guide includes tips on matching pipes with other system components.
Final Thoughts
After reviewing the top options, our recommendation comes down to two standout choices. For a standard residential well with moderate pressure needs, the PIPE POLY3/4″X100’NSF200 by CRESLINE MfrPartNo offers excellent durability, a 200 psi rating, and NSF certification for drinking water — all in a manageable 100-foot coil. If you need a longer run for a larger property or irrigation system, the 1″x300′ 80 Spartn Pipe provides great value with its 300-foot length and 80 psi capacity, ideal for low-pressure applications. Both pipes are made in the USA and backed by solid reputations, so you can install them with confidence.
Frequently Asked Questions
What size black poly pipe do I need for my well?
The size depends on your well pump’s flow rate and the distance from the well to your home. For most residential systems, a 3/4-inch or 1-inch diameter pipe is sufficient. If you have a high-output pump or a long run (over 300 feet), consider stepping up to 1 1/4-inch or larger to reduce friction loss.
Can I use black poly pipe for drinking water?
Yes, but only if the pipe is specifically labeled as NSF/ANSI 61 certified for potable water. Many black poly pipes carry this certification and are safe for drinking water lines. Always verify the certification on the product page or packaging before use.
What is the difference between SIDR and CTS pipe?
SIDR (Standard Iron Dimension Ratio) and CTS (Copper Tube Size) refer to the outside diameter and wall thickness standards. SIDR pipe is commonly used for well and irrigation applications, while CTS pipe is often used for plumbing and water service lines. Both can be used for well water, but you must match the fitting type to the pipe standard. Check our well pump for pressure tank for more on system compatibility.
How do I connect black poly pipe to fittings?
Black poly pipe typically connects using barbed fittings and stainless steel clamps. You insert the pipe over the barb and tighten the clamp with a screwdriver or socket. For underground connections, use brass or plastic fittings rated for the pressure. Heat the pipe slightly with a heat gun in cold weather to make it more flexible for fitting installation.
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