Maas Dam

TRIB LITTLE COAL CREEK· Fulton, Illinois· Built 1999· Earth· 60 ft tall
Low Hazard Recreation Private

Key Takeaway

Maas Dam is classified as low hazard in Illinois. It was completed in 1999 and is 27 years old. Its primary use is recreation.

Physical Details

Dam Height 60 ft (taller than 95.6% in IL)
Dam Length700 ft
Dam TypeEarth
Max Storage195 acre-ft
Normal Storage156 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge480 cfs
Year Completed1999 (27 years old)
NID IDIL50437

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: May 27, 2022
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

PAUL MAAS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Maas Dam?

Maas Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Maas Dam?

Maas Dam is owned by PAUL MAAS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Maas Dam built?

Maas Dam was completed in 1999, making it 27 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Maas Dam?

Maas Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Maas Dam?

Maas Dam has a dam height of 60 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Maas Dam last inspected?

Maas Dam was last inspected on May 27, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.