Enterprise Water Stewardship

Public systems are investing in stormwater. Companies can help scale what works.

Shoalwater helps sustainability teams participate in local water infrastructure by supporting verified Green Stormwater Infrastructure and measuring its basin-level impact.

Build a Basin Stewardship Plan See how it's measured

Public-sector validated need Verified GSI Reporting-ready Not a regulatory offset

Puget Sound / Lake Washington Signal

MatchPriority basin, facility footprint, and stewardship goals.

MeasureGSI performance translated into managed stormwater.

ReportDocumentation for internal and external stakeholders.

Basin Stewardship Plan 1.0M gal Illustrative modeled annual stormwater managed through verified distributed GSI.

Why this resonates with sustainability teams

Stormwater is not a side issue. It is public infrastructure in motion. Public agencies are already prioritizing stormwater, drainage, CSO reduction, and nature-based infrastructure. Shoalwater creates a clean private-sector pathway to help scale that work with measurable, basin-specific outcomes.

Public investment is already underway Stormwater and overflow reduction are infrastructure priorities, not just sustainability messaging.

Companies can participate locally Support verified GSI in priority basins and translate participation into defensible water stewardship.

Why stormwater now

This is already an infrastructure priority. Shoalwater makes it participatory.

Cities, utilities, and watershed agencies are investing in stormwater and CSO reduction because runoff pressure is real, local, and expensive to manage. That public investment validates the category.

The enterprise opportunity

Sustainability teams do not need another abstract claim. They need credible ways to support local infrastructure, document what happened, and show measurable benefit in the basins where their stakeholders live and work.

Public systems investStormwater control, CSO reduction, drainage upgrades, and nature-based infrastructure.

→

Companies help scaleBasin-specific GSI support, measured gallons, evidence packets, and claim-safe narratives.

GSI is a proven vehicle Rain gardens, cisterns, green roofs, permeable surfaces, and trees capture, slow, and filter runoff.

Companies need local action Water stewardship is most credible when it is tied to specific watersheds, infrastructure, and outcomes.

Measurement makes it usable Shoalwater translates distributed GSI into basin-level performance that sustainability teams can understand and report.

The Shoalwater layer

Turn public-sector momentum into measurable corporate participation.

A practical layer for connecting verified GSI, conservative measurement, and reporting-ready outputs—so companies can support what already works without leading with credit mechanics.

Basin intelligence GIS targeting, catchment context, facility overlays, and priority watershed selection.

Measurement + evidence Conservative hydrologic accounting, system records, map overlays, and reviewable documentation.

Reporting support Impact receipts, stewardship summaries, claim-safe language, and stakeholder-ready visuals.

Technical note: Shoalwater may use standardized stormwater-managed units internally to structure accounting. These units are voluntary stewardship accounting tools—not securities, tradable compliance credits, or regulatory offsets.

Corporate value

Scale what works. Prove what changed. Shoalwater gives sustainability teams a way to participate in local stormwater infrastructure while receiving the maps, metrics, evidence, and language needed to communicate impact responsibly.

Evidence packets Maps, infrastructure records, assumptions, and time-bound performance summaries.

Portfolio consistency A repeatable way to compare and communicate water stewardship across facilities and basins.

How it works

From basin to boardroom.

Shoalwater keeps the buyer journey simple: identify a public-priority basin, support verified GSI, measure basin performance, and communicate participation with confidence.

01MatchIdentify priority watersheds and infrastructure opportunities aligned with corporate water goals.

02FundSupport GSI deployment, aggregation, measurement, or documentation in the selected basin.

03MeasureQuantify stormwater managed with conservative, reviewable basin-specific methods.

04ReportReceive stewardship summaries, impact receipts, maps, and claim-safe language.

Program pathways

Designed for different levels of corporate participation.

Replace credit-style pricing with proposal-based programs tied to basin, infrastructure scope, verification level, and reporting needs.

Pilot

Pilot Basin Program

For sustainability teams validating local water stewardship in one priority basin.

Priority basin selection
Initial GSI inventory
Modeled stormwater managed
Starter impact summary

Partnership

Priority Basin Partnership

For companies seeking a visible, measurable basin-level program with stronger documentation.

Expanded infrastructure aggregation
Evidence packets + map visuals
Quarterly or annual reporting
Stakeholder-ready narrative

Portfolio

Portfolio Water Stewardship

For multi-site companies building repeatable local water impact across multiple markets.

Multi-basin program design
Facility and catchment overlays
Portfolio-level stewardship reporting
Procurement and governance support

Trust + claims

Built for sustainability teams, legal review, and stakeholder scrutiny.

The goal is to make participation easier to approve: clear boundaries, conservative methods, and claims grounded in physical infrastructure.

Transparent methodsAssumptions, boundaries, and locality constraints are documented so claims remain reviewable.

Evidence-based recordsInfrastructure details, maps, records, photos, and performance summaries can be assembled over time.

Conservative accountingPrefer under-claiming to over-claiming and keep outputs grounded in defensible hydrologic logic.

Compliance-safe framingVoluntary stewardship support; not a substitute for regulatory compliance or municipal obligations.

Suggested public claim structure: “Our company supported verified Green Stormwater Infrastructure in a priority basin, helping manage stormwater runoff and strengthen local watershed performance.”

Common questions

Enterprise evaluation, simplified.

Short answers for sustainability, ESG reporting, procurement, risk, and legal teams evaluating basin-level water stewardship.

Is this an offset?+

No. Shoalwater supports voluntary, basin-specific water stewardship through physical infrastructure and documented stormwater performance. It is not positioned as a regulatory offset or substitute for compliance.

Where do SWCs fit?+

SWCs can be treated as an internal accounting shorthand for standardized stormwater-managed units, but they should not be the buyer-facing headline. The core enterprise offer is measurable basin stewardship supported by verified GSI.

What does a company receive?+

A Basin Stewardship Plan, impact documentation, managed-stormwater metrics, maps or visual summaries, evidence notes, and claim-safe language for internal and external reporting.

Which teams buy this?+

Corporate sustainability, ESG reporting, water stewardship, procurement, risk, and operations teams that need credible local water action tied to specific watersheds or facilities.

Bring local water impact into your climate strategy.

The public sector is already investing to reduce stormwater and overflow pressure. Shoalwater gives corporate sustainability teams a credible way to participate through local, measurable, nature-based infrastructure.

Build a Basin Stewardship Plan Why stormwater matters