
Well Vaults & Manholes
Steel and ductile iron manholes and vaults for monitoring wells, remediation systems, and large-scale infrastructure installations. AASHTO H20 rated with custom options.
Access Solutions for Any Installation
PRM offers a variety of well vaults and manholes to provide durable, secure access points for a wide range of installations, from monitoring wells to large remediation systems.
Whether you need an industry-standard monitoring well manhole or a heavy-duty vault rated for vehicular traffic, our products are built for long-term reliability and ease of access. All products can be customized to meet your project specifications.

Product Types
Three product lines to cover every installation requirement

Square Manholes
Heavy-duty square manholes suitable for vehicular traffic areas with diamond plate lids rated for wheel loading.
- 3/8" diamond plate steel lid
- 16-gauge steel body construction
- AASHTO H20 wheel loading rated
- Suitable for traffic areas

Locking Vaults
Secure access vaults with double-hinged lids and anti-theft features for tamper-resistant installations.
- Double-hinged lid opens 180°
- Anti-theft chain secured to base
- Pinned-bolt locking mechanism
- Tamper-resistant construction

Monitoring Well Manholes
Industry-standard ductile iron manholes with API identification triangles for monitoring well installations.
- Cast-in ID triangles per API standard
- Painted ductile iron construction
- Optional steel or polyethylene skirt
- Bolt-down water-tight seal
AASHTO H20 Rated
Square manholes rated for AASHTO H20 wheel loading, safe for installation in vehicular traffic areas including roads, parking lots, and loading docks.
API Standard Compliance
Monitoring well manholes include cast-in identification triangles per API standards for proper well identification and regulatory compliance.
Built to Industry Standards
Our vaults and manholes meet or exceed industry standards for load bearing, durability, and environmental protection. Heavy-gauge steel construction ensures decades of reliable service in demanding environments.
Each product line is designed for specific installation requirements while maintaining the flexibility for customization to meet your project's unique needs.
Custom Options & Services
Every project is different, customize vaults and manholes to your exact specifications
Custom Lids & Skirts
Custom lid sizes, materials, and skirt configurations for non-standard installations
Volume Pricing
Competitive pricing on bulk orders for large remediation and infrastructure projects
Custom Integration
Integration with existing equipment, piping, and monitoring systems
Installation Services
Professional installation support for proper placement, leveling, and sealing
Related Products
Complete your infrastructure project with complementary equipment

AS/SVE Systems
Air sparging and soil vapor extraction systems commonly installed alongside well vaults.
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Vapor Mitigation
Sub-slab depressurization and venting systems for contaminated vapor control.
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Control Panels & SCADA
UL-certified control panels for monitoring and automating well vault instrumentation.
Learn MoreNeed Well Vaults or Manholes?
Standard or custom, we manufacture vaults and manholes for monitoring wells, remediation systems, and large-scale infrastructure projects. Volume pricing available.
