Everything you need to run a compliant CCR.
One pillar guide, one regulatory hub, a help center, customer stories, the Make Water Work podcast, and a growing library of blog posts on agent-native compliance. Start with the guide if this is your first time.
Every resource in one place.
The complete CCR guide
40 CFR 141 Subpart O in plain English, with worked examples and verbatim EPA language.
Regulatory Hub
Federal 40 CFR 141 Subpart O + state overlays, machine-checkable.
Product documentation
Getting started, lab PDFs, review workflow, billing — everything you need to operate the platform.
Your 2026 CCR is due July 1. Here is the 6-week plan.
The Consumer Confidence Report deadline is non-negotiable. Here's the week-by-week operator plan to be done well before July 1 — and the specific deliverables each week should produce.
ppb vs mg/L: the unit pitfall that fails one in five CCRs
Unit conversion errors are the single biggest reason state reviewers kick reports back. Here's why mixing ppb with mg/L happens, what the federal rule actually says, and how to make sure it doesn't fail your CCR.
The 90th percentile for Lead and Copper, explained (with worked examples).
40 CFR § 141.80(c)(3) is ruthless about how the 90th-percentile value is calculated. Here's the walkthrough with real sample sets — and where every tool we tested gets it wrong.
Why small water utilities are switching to agent-native tools.
'Agent-native' gets thrown around like a marketing term. Here's the architectural reality — orchestrator plus atomic tools, provenance-per-value, tool parity between UI and API — and why it matters for compliance work.
Orange City, Indiana — early-access pilot
A mid-size community water system using 1water.ai through the 2026 reporting cycle. Early-access means everything they publish through us is mirrored to a state-program reviewer for validation. No published rejections.
Star Valley, Wyoming — small-system early access
A rural small community water system with one licensed operator and a spreadsheet-based workflow. The team moved from a week of CCR work to an afternoon, with every calculation tied back to its source lab PDF.
2026 CCR deadline — a 45-minute walkthrough
What July 1, 2026 actually requires of your utility. Live deliverable checklist, common state-rejection patterns, and Q&A with our regulatory team.
Agent-native compliance — an operator demo
A live CCR drafted end-to-end in 30 minutes from a real small-system lab PDF set, with the audit trail explained at every step.
Ep. 01 — Why we started 1water
The founding story. Why Consumer Confidence Reports were the right first surface, and why the team thinks water compliance has been waiting for agent-native tools for a decade.
When you’re ready, start your CCR.
60-day free trial. No credit card. Your trial becomes your first published CCR.