Looking for a cast iron pipe plumber in Watford City, ND? Describe your project once and up to three licensed plumbers who work in Watford City and McKenzie County get back to you with a quote. It's free and there is no obligation.
Watford City is home to about 6,207 people (2024 Census Bureau estimate), a stable community (−0.2% since 2020). With 696 people per sq mi, it is a semi-rural area. Homes built before the mid-1970s often still have cast iron drains reaching the end of their life.
Watford City at a glance
- Population (Census Bureau estimate, 2024)
- 6,207 (−0.2% since 2020)
- Rank in North Dakota
- 14th of 355 cities and towns
- Land area
- 8.9 sq mi
- Population density
- 696 people per sq mi (semi-rural)
- Type
- City (Watford City city)
- Main county
- McKenzie County
What to check before hiring in Watford City
- Camera first: a video inspection shows where and how badly the pipe is damaged.
- License and permit: in North Dakota, drain work is done by a licensed plumber under a permit.
- Method: ask for both lining and replacement options when possible.
- Price drivers: length, slab access, tunneling, method and restoration.
Useful official resources
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IAPMO: plumbing codes
Official information and guidance.
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NASSCO: pipeline rehabilitation
Official information and guidance.
Services available in Watford City
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Cast iron drain replacement
Replacement of cast iron drain lines with PVC, including under-slab work where needed.
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Cast iron pipe lining
Rehabilitation of cast iron drains with an epoxy or cured-in-place liner.
Frequently asked questions in Watford City
How much does cast iron replacement cost in Watford City, ND?
It depends on the length, the slab and the method. Describe your home: plumbers who serve Watford City reply with a quote.
How long does it take?
From a few days for lining to a week or more with tunneling.
Can I stay at home?
Often yes, with limited plumbing use during the work.
Which licensed plumbers will contact me?
Up to three independent licensed plumbers who serve Watford City and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.