North Idaho · PE4710 · Post Falls, ID
Polyethylene Pipe.
Made here. Shipped fast.
Interstate Plastic manufactures HDPE and PE pipe products from our Post Falls, Idaho facility. NSF certified. Built for the Pacific Northwest and beyond.
Pipe for Fittings
SIDR pipe to ASTM D-2239, an inside-controlled spec — the same insert fittings work across every pressure rating for a given nominal size.
CTS Pipe
NSF-certified pipe sized to copper tubing OD for compression fittings. Available in blue, black, or purple for potable water service lines, main to meter.
Turf & Irrigation
PE4710 and PE3608 pipe for residential and commercial sprinkler systems.
HDPE Pressure Pipe
PE4710 IPS pressure pipe for municipal water distribution, irrigation mains, and industrial applications. ASTM D3035, heat fusion ready.
Drip Irrigation
LLDPE drip tubing for precision irrigation. UV-resistant transmission line for custom-placed emitters.
NSF Certified
Potable water products carry full NSF 14 and NSF 61 certification. Documentation available for project submittals on request.
Fast Regional Shipping
Orders are usually shipped in less than 5 business days. No waiting on freight from the Midwest.
Made in Idaho
100% domestically manufactured. BABA-compliant for federally funded municipal and infrastructure projects.
Technical Support
Spec questions, submittal packages, fusion procedures — our team is reachable by phone or email, not just a contact form.
How to Order
We work with authorized stocking distributors across the Pacific Northwest.
Find your product
Browse the catalog above, download the cut sheet for the product line you need, and confirm the part number.
Send a purchase order
Email your PO to orders@interstateplastic.com. Include part number, quantity, and ship-to address.
We confirm and ship
Our team confirms availability and lead time, typically within one business day.