PRM Filtration
PRM-fabricated steel well vault with diamond plate traffic-rated lid

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.

PRM square steel well vault with diamond plate traffic-rated lid

Product Types

Three product lines to cover every installation requirement

Square manhole with diamond plate steel traffic lid

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 well vault with double-hinged lid and chained access cover

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
Cast iron monitoring well manhole cover with API identification triangle

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

Need 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.