ONE QUALITY PRODUCT AT A TIME
sales@wilbertprecast.com
(509) 325-4573

Wilbert Precast meets even the strictest containment standards.

Our strong, extra-durable precast concrete 916 tanks are designed to offer years of containment and protection. Wilbert Precast 916 tanks meet strict regulatory guidelines to safely house petroleum, chemicals, and other hazardous materials. Our 916 tanks are versatile, cost-effective, and strong enough to protect the surrounding environment for decades to come. 

Wilbert Precast Concrete 916 tanks are available in capacities ranging from 3,000 gallons to 9,200 gallons. Unlike poured-in-place options, our precast concrete tanks require fewer installers — saving time and money from the very start. 

Download the drawings below to explore our product line. Don’t see what you need? Get in touch. 


3000 Gallon Single Compartment Septic Tank
3000 Gallon Single Compartment Septic Tank
Dimensions: 10'-0" x 17'-0" x 6'-1½"
Weight: 51957 lbs.
Product ID: #916-3S
4000 Gallon Single Compartment Septic Tank
4000 Gallon Single Compartment Septic Tank
Dimensions: 10'-0" x 17'-0" x 7'-1½"
Weight: 55870 lbs.
Product ID: 916-4S
5000 Gallon Single Compartment Septic Tank
5000 Gallon Single Compartment Septic Tank
Dimensions: 10'-0" x 17'-0" x 8'-1½"
Weight: 59770 lbs.
Product ID: #916-5S
6000 Gallon Single Compartment Septic Tank
6000 Gallon Single Compartment Septic Tank
Dimensions: 10'-0" x 17'-0" x 8'-7½"
Weight: 121490 lbs.
Product ID: #916-6S
7000 Gallon Single Compartment Septic Tank
7000 Gallon Single Compartment Septic Tank
Dimensions: 10'-0" x 17'-0" x 9'-7½"
Weight: 65607 lbs.
Product ID: #916-7S
8000 Gallon Single Compartment Septic Tank
8000 Gallon Single Compartment Septic Tank
Dimensions: 10'-0" x 17'-0" x 10'-1½"
Weight: 67570 lbs.
Product ID: #916-8S
3000 Gallon Double Compartment Septic Tank
3000 Gallon Double Compartment Septic Tank
Dimensions: 10'-0" x 17'-0" x 6'-1½"
Weight: 54647 lbs.
Product ID: #916-3D
4000 Gallon Double Compartment Septic Tank
4000 Gallon Double Compartment Septic Tank
Dimensions: 10'-0" x 17'-0" x 7'-1½"
Weight: 59242 lbs.
Product ID: #916-4D
5000 Gallon Double Compartment Septic Tank
5000 Gallon Double Compartment Septic Tank
Dimensions: 10'-0" x 17'-0" x 8'-1½"
Weight: 63797 lbs.
Product ID: #916-5D
6000 Gallon Double Compartment Septic Tank
6000 Gallon Double Compartment Septic Tank
Dimensions: 10'-0" x 17'-0" x 8'-7½"
Weight: 66084 lbs.
Product ID: #916-6D
7000 Gallon Double Compartment Septic Tank
7000 Gallon Double Compartment Septic Tank
Dimensions: 10'-0" x 17'-0" x 9'-7½"
Weight: 70659 lbs.
Product ID: #916-7D
8000 Gallon Double Compartment Septic Tank
8000 Gallon Double Compartment Septic Tank
Dimensions: 10'-0" x 17'-0" x 10'-1½"
Weight: 72966 lbs.
Product ID: #916-8D
5000 Gallon Water Tank
5000 Gallon Water Tank
Dimensions: 10'-0" x 17'-0" x 6'-1½"
Weight: 51957 lbs.
Product ID: #916-3W
6000 Gallon Water Tank
6000 Gallon Water Tank
Dimensions: 10'-0" x 17'-0" x 7'-1½"
Weight: 55870 lbs.
Product ID: #916-4W
7000 Gallon Water Tank
7000 Gallon Water Tank
Dimensions: 10'-0" x 17'-0" x 8'-1½"
Weight: 59770 lbs.
Product ID: #916-5W
7500 Gallon Water Tank
7500 Gallon Water Tank
Dimensions: 10'-0" x 17'-0" x 8'-7½"
Weight: 61720 lbs.
Product ID: #916-6W
8500 Gallon Water Tank
8500 Gallon Water Tank
Dimensions: 10'-0" x 17'-0" x 9'-7½"
Weight: 65607 lbs.
Product ID: #916-7W
9200 Gallon Water Tank
9200 Gallon Water Tank
Dimensions: 10'-0" x 17'-0" x 10'-1½"
Weight: 67570 lbs.
Product ID: #916-8W