Looking for a drain field contractor in St. Charles, ID? Describe your project once and up to three licensed septic installers who work in St. Charles and Bear Lake County get back to you with a quote. It's free and there is no obligation.
St. Charles is home to about 185 people (2024 Census Bureau estimate), a growing community (+13.5% since 2020). With 252 people per sq mi, it is a semi-rural area. Aging septic systems on rural and suburban lots eventually need new drain fields.
St. Charles at a glance
- Population (Census Bureau estimate, 2024)
- 185 (+13.5% since 2020)
- Rank in Idaho
- 173rd of 198 cities and towns
- Land area
- 0.7 sq mi
- Population density
- 252 people per sq mi (semi-rural)
- Type
- City (St. Charles city)
- Main county
- Bear Lake County
What to check before hiring in St. Charles
- Permit: in Idaho, drain field work is permitted by the state or county health department.
- Soil test: a new soil evaluation may be required to size the field.
- Alternatives: poor soils may call for a mound or an advanced treatment unit.
- Price drivers: soil, system type, lot access and landscaping restoration.
Useful official resources
-
EPA: septic systems
Official information and guidance.
-
EPA: types of septic systems
Official information and guidance.
Services available in St. Charles
-
Drain field replacement
Design, permit and installation of a new drain field, conventional or alternative.
-
Drain field diagnosis and repair
Diagnosis of a failing field and repairs such as line jetting or distribution box replacement.
Frequently asked questions in St. Charles
How much does drain field replacement cost in St. Charles, ID?
It depends on the soil, the system type and access. Describe your problem: installers who serve St. Charles reply with a quote.
How long does it take?
Design and permit can take weeks; installation often takes a few days.
Can I use my plumbing meanwhile?
Limit water use; the installer may pump the tank to buy time.
Which licensed septic installers will contact me?
Up to three independent licensed septic installers who serve St. Charles 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.