What this is
What is a spill report?
What is a spill report?
A record of an uncontained release of a substance: what was released, how much, where it went, what was done immediately, and whether it meets a threshold requiring notification to a regulator. It is created at the time of the event, because the information it needs is not recoverable afterwards.
When must a spill be reported to a regulator?
When it meets a defined threshold, which varies by substance and jurisdiction. In the United States, releases of hazardous substances at or above their reportable quantity under CERCLA require immediate notification to the National Response Center. Oil discharges to navigable waters causing a sheen carry their own notification duty. Permit conditions frequently impose additional and stricter triggers.
Scope
When is a spill report required?
This record captures a release event. Several related documents surround it and should not be merged into it.
Use this template when
- Any uncontained release of oil, chemical, effluent or waste, regardless of apparent size
- A release contained by a bund or interceptor, which is still an event with a cause worth recording
- Near misses: a delivery connection failure caught before product escaped
- Releases by contractors or delivery drivers on your site
- Any event triggering, or potentially triggering, regulatory notification
Do not use it for
- The spill response plan, which is the standing document describing arrangements
- The drainage survey, which maps where drains go and is referenced by this report under pressure
- Regulatory notification itself, which is a separate submission with its own timing and content requirements
- Waste consignment and disposal records for recovered material, which follow their own regime
- The interceptor maintenance record, which is an asset inspection rather than an incident
Compliance mapping
Which EPA SPCC requirements does this satisfy?
Spill obligations combine a prevention regime, an immediate notification duty triggered by quantity, and permit conditions that are frequently stricter than either.
| Clause | Requirement | Where it lands |
|---|---|---|
| 40 CFR 112 | SPCC plan, secondary containment, inspections and five-yearly plan review for qualifying oil storage | Header |
| 40 CFR 112.4 | Reporting to the EPA regional administrator following defined discharge events | Severity and reporting |
| 40 CFR 110.3 | Discharge of oil causing a film or sheen on navigable waters is prohibited and reportable | Where it went |
| 40 CFR 302.6 | Immediate notification to the National Response Center for hazardous substance releases at or above reportable quantity | Severity and reporting |
| EPCRA 304 | Notification to state and local emergency planning bodies for certain releases | Severity and reporting |
| Clean Water Act 311 | Prohibition on discharge of oil and hazardous substances in harmful quantities | Where it went |
| CEPA and provincial regs | Canadian notification duties for releases exceeding prescribed quantities, with immediate reporting | Severity and reporting |
| ISO 14001 cl.8.2 | Emergency preparedness and response, with periodic testing and revision after incidents | Immediate response |
What it does not cover
- Regulatory notification, which is a separate submission to a named body within a stated period, distinct from your internal record.
- The drainage survey, which maps the network and should be consulted rather than reconstructed.
- Root cause analysis, which belongs in its own record where the spill is significant or repeating.
- Waste transfer documentation for recovered material and contaminated absorbent.
- The SPCC plan itself, which is a standing certified document reviewed every five years.
How to complete it
How to complete a spill report, step by step
A spill report is written under pressure by someone who is also managing the response. The fields that matter most are the ones only obtainable at the time.
Before quantity, before cause, before anything else: did it reach a drain, and which kind. That single fact determines the notification decision, the containment priority and the eventual liability. If it is not known, the correct entry is that it is not known and that the drainage survey is being checked, not a guess that will be relied on.
Extent of spread, the containment applied, whether material entered a gully, the condition of the bund or container. All of this changes within an hour and none of it can be reconstructed. Photographs taken during the event are the evidence that resolves disputes about extent and about whether the response was adequate.
Quantity drives the notification threshold. An estimate recorded as a bare number invites challenge; an estimate recorded with its basis, container size and level before and after, area covered and depth, or delivery meter reading, is defensible. Under-estimating to stay below a threshold is a decision that will be examined closely if it later proves wrong.
Spills cluster around a small number of causes: decanting without a drip tray, delivery connection failure, corroded or damaged containers, overfilling, and bunds already full of rainwater with no capacity left. Recording which one lets the pattern emerge across events, and the pattern is where prevention lives.
What auditors find
Most common spill report findings
Spill findings concentrate on the notification decision, on containment capacity, and on evidence that was never captured.
| Finding | Clause | What fixes it |
|---|---|---|
| Receiving drainage not identified, so the notification decision had no basis. | 40 CFR 110.3 | Mark drains physically foul or surface water; a drawing in an office is not available at 7pm. |
| Reportable quantity threshold reached without immediate notification. | 40 CFR 302.6 | Hold the RQ list for substances on site and make the threshold check part of the report. |
| Bund or secondary containment full of rainwater, so it had no capacity. | 40 CFR 112.8 | Manage bund water as a routine task; a full bund is not containment. |
| No photographs taken during the response. | ISO 14001 cl.8.2 | Make image capture part of the response, not part of the write-up afterwards. |
| Quantity estimated with no recorded basis. | 40 CFR 302.6 | Record how the estimate was reached; it determines the notification threshold. |
| Spill kit located centrally rather than at the risk point. | ISO 14001 cl.8.2 | Site kits where spills occur: delivery points, decanting, transfer and storage. |
| Interceptor silted or unmaintained, so it did not separate. | 40 CFR 112.7 | Register interceptors as assets with an inspection and emptying schedule. |
| Cause not recorded, so no pattern is visible across events. | ISO 14001 cl.10.2 | Use a fixed cause list: decanting, delivery, container, overfill, containment capacity. |
| Contractor or delivery driver spill not recorded as an event. | ISO 14001 cl.8.1 | Record all releases on your site regardless of who caused them. |
| SPCC plan not reviewed within five years or not amended after a change. | 40 CFR 112.5 | Review every five years and amend on any change affecting discharge potential. |
Case in point
Case in point: fifty litres and two different outcomes
Two sites in the same business spilled comparable quantities of hydraulic oil from a delivery connection within a month of each other. At the first, the responder recognised the gully as surface water from a painted blue marking on the kerb, blocked it with a drain mat from a kit twenty metres away, and contained the spill on hardstanding. The event was recorded, the cause was traced to a worn coupling, and the coupling was replaced across the fleet.
At the second, the drain was unmarked. The responder assumed it was foul, applied absorbent around the spill and let the rest run. It was surface water, and it discharged to a ditch feeding a watercourse. The regulator was notified by a member of the public before the site knew where the oil had gone.
The substance, the quantity and the cause were the same. The difference was a painted marking and a kit within reach.
The template
The template, field by field
The form exactly as it installs. Every field, option, score and conditional rule is editable, and the links to other templates come with it.
5 sections
- Reference
- ENV-001
- Archetype
- Record
- Record ID
- CASE-2026-000
- Scoring
- Severity band
- Direction
- High is bad
- Singleton
- No
- Basis
- EPA SPCC, CEPA
- Links
- Feeds RCA, CAPA, Notification
- Tags
- Environment, Spill
- Sections
- 5
- Fields
- 53
- Follow up fields
- 9
- Repeating sections
- 0
- Links out
- 9
Header
9 fieldsCase ID*
Auto sequence. Format CASE-2026-00000.
The record's own ID. Other templates point at this value.
Status*
Drives who this goes to next.
- Planned2 pts
- In progress2 pts
- Complete3 pts
- Deferred0 pts
- Open0 pts
- Closed3 pts
- Overdue0 pts
Date and Time*
Completed By*
Site*
Site ID*
Format SITE-000.
Links to FDN-001 Site ID
Area
The area within the site.
Exact Location
Drop a pin for anything hard to find.
Contain First, Report Second
Stopping the spread beats filling in a form. Report as soon as the situation is stable, and never later than the notification deadline in your permit.
The spill
11 fieldsTime Discovered*
Discovered By*
Still Releasing*
- No, stopped3 pts
- Yes0 pts
Substance*
Substance ID*
Format SUB-0000.
Links to FDN-006 Substance ID
Estimated Quantity*
Unit*
Source Of Release*
Description*
Photograph
Weather Conditions
- Clear3 pts
- Rain1 pt
- Fog0 pts
- Snow or ice0 pts
- Wind1 pt
Where it went
9 fieldsSurface Type*
Bunded hard standing is contained. Unbunded yard, soil and gravel are not.
- Bunded hard standing4 pts
- Unbunded hard standing2 pts
- Gravel1 pt
- Soil or grass0 pts
Reached A Drain*
- No3 pts
- Yes0 pts
Drain Reference
Links to ENV-006 Drain Reference
Drain Type
Foul drain goes to treatment. Surface water drain goes straight to a watercourse.
- Foul, to treatment2 pts
- Surface water, to watercourse0 pts
- Unknown0 pts
Reached Watercourse Or Ground*
- No3 pts
- Ground only1 pt
- Watercourse0 pts
Receptor Affected
- None3 pts
- Ground1 pt
- Watercourse0 pts
- Groundwater0 pts
Contained On Site*
- Fully3 pts
- Partly1 pt
- No0 pts
Left Site Boundary*
- No3 pts
- Yes0 pts
Visible Environmental Effect*
- None3 pts
- Minor1 pt
- Significant0 pts
Immediate response
6 fieldsSource Isolated*
- Yes3 pts
- Delayed1 pt
- No0 pts
Time Isolated
Drains Blocked Or Protected*
- Yes3 pts
- Partly1 pt
- No0 pts
Spill Kit Used*
- Yes3 pts
- Not needed3 pts
- No0 pts
Kit Contents Sufficient*
- Yes3 pts
- Partly1 pt
- No0 pts
Response Record ID
Links to ENV-002 Record ID
Severity and reporting
18 fieldsSeverity*
- Minor3 pts
- Moderate1 pt
- Serious0 pts
Reportable To Regulator*
- No3 pts
- Yes0 pts
Notification Record ID
Links to ENV-003 Record ID
Permit Condition Affected*
Discharge consent, emissions permit, waste licence or abstraction licence.
- No3 pts
- Yes0 pts
Permit Register ID
Links to ENV-039 Register ID
Breach Of Permit Condition*
- No3 pts
- Yes0 pts
Compliance Log ID
Links to ENV-040 Log ID
Investigation Required*
Set by potential outcome, not by what actually happened.
- No3 pts
- Yes0 pts
Investigation Level
RCA ID
Format RCA-2026-00000.
Links to FDN-013 RCA ID
Action Required*
Raise the action record, then enter its reference here.
- No2 pts
- Yes0 pts
Priority
- High0 pts
- Medium1 pt
- Low3 pts
CAPA ID
Format CAPA-2026-00000.
Links to FDN-014 CAPA ID
Action Owner
Reported By*
Signature*
Environmental Lead*
Second Signature*
ENV-001 · record IDs look like CASE-2026-000 · Feeds RCA, CAPA, Notification
Open in KnowellaRun it with agents
From a document you fill in to a programme that runs itself
The report is short and written under pressure. What fails is the drainage answer nobody could give, and the cause field that stayed blank across forty events.
Holds the drainage map, the substance register with reportable quantities, and starts the notification clock when a threshold is reached.

Trends causes across spills and near misses, so decanting or delivery connection failures surface as a pattern rather than as forty separate events.
Registers bunds and interceptors as assets with inspection and emptying schedules, since containment with no capacity is not containment.
Connects the response to exposure and first aid where the substance also presents a health hazard to responders.
This template lives in KnowEnviro — environment and energy. Aspects, permits, waste, emissions, spills and sustainability reporting.
Meet KnowEnviro→Glossary
Spill Report definitions and key terms
- Reportable quantity
- The threshold for a listed hazardous substance above which a release within 24 hours triggers immediate notification under CERCLA.
- Sheen rule
- The provision making an oil discharge to navigable waters that causes a visible film or sheen prohibited and reportable, regardless of volume.
- Foul drainage
- Drainage carrying wastewater to treatment. A spill here is usually a cost and a discussion with the treatment operator.
- Surface water drainage
- Drainage discharging to a watercourse, usually untreated. A spill here is a pollution incident.
- Secondary containment
- Bunding or equivalent sized to retain a release, which requires available capacity rather than merely existing.
- Interceptor
- A separator removing oil from surface water runoff, which fails silently as it silts up and continues to look functional.
- SPCC plan
- Spill Prevention, Control and Countermeasure plan required under 40 CFR 112 for qualifying oil storage facilities.
- National Response Center
- The US point of contact for immediate notification of hazardous substance and oil releases.
FAQ
Frequently asked questions about spill report
Why does the receiving drain matter more than the quantity?+
Because it determines the consequence. Fifty litres into foul drainage reaches treatment and produces a cost and a conversation. The same volume into surface water reaches a watercourse and becomes a pollution incident with notification duties, potential prosecution and remediation liability. Responders need to distinguish them physically, at the drain, in seconds.
When is notification required in the United States?+
Immediately, to the National Response Center, where a listed hazardous substance is released at or above its reportable quantity within 24 hours under CERCLA. Separately, an oil discharge to navigable waters causing a sheen is reportable regardless of volume. State and local notification under EPCRA may also apply, and permit conditions frequently impose stricter triggers than any of these.
Should contained spills be recorded?+
Yes. A spill caught by a bund or drip tray had the same cause as one that escaped and differed only in luck. Recording contained events is how the cause pattern becomes visible early, and it is considerably cheaper to learn from a contained release than from a reportable one.
What is the most common preventable cause?+
Across most operations: decanting without a tray, delivery connection failures, container condition and overfilling. A close fourth is secondary containment with no available capacity because it is full of rainwater, which converts a designed control into a decorative one. All four are addressable and all four recur where the cause field goes unrecorded.
How often must an SPCC plan be reviewed?+
At least every five years under 40 CFR 112.5, and amended whenever there is a change in facility design, construction, operation or maintenance that materially affects discharge potential. The change-driven amendment is the one most often missed, because a new tank or a re-routed line rarely prompts anyone to open the plan.
Keep going
Related templates and programmes
Industries this is written for
Programmes this belongs to
Used together in Chemical Safety and WHMIS
Spill Response Record
Records what was done to contain, clean up and dispose of a spill
Chemical Substitution Assessment
Assesses whether a hazardous substance can be replaced by something safer, and what the substitute brings with it
Restricted Substance Compliance Record
Records compliance with restricted substance obligations covering ozone depleting gases, persistent chemicals and packaging materials
Explosive Atmosphere Zoning Record
Records the zoning of areas where flammable dust or vapour can form an explosive atmosphere, and the equipment permitted there
Chemical and Substance Register
Lists every chemical and hazardous substance held on site, with quantity, location and hazard class
Chemical Inventory Record
Records what chemicals are held where, in what quantity and in what container
More in Spills
Spill Response Record
Records what was done to contain, clean up and dispose of a spill
Environmental Notification Record
Records what was reported to an environmental regulator, when and by whom
Spill Prevention Plan
Sets out how releases are prevented, including containment, storage and drainage design
Containment Inspection
Checks bunds, drip trays, drains and interceptors are intact and not full
Drain Register
Records every drain on site, where it goes and what may enter it

Written and reviewed by
Siddarth Singh
Founder & Chief Executive Officer, Knowella
Certified Safety Professional and industrial and systems engineer with more than a decade inside food supply chain, freight and manufacturing operations. This page was written against the current text of the standards it cites, not against secondary summaries of them.
- Certified Safety Professional (CSP), Board of Certified Safety Professionals
- MBA, University of Chicago Booth School of Business
- MS and BS, The Ohio State University, Industrial and Systems Engineering
- Six Sigma Black Belt
Sources and last review. Reviewed 16 August 2026 against:
- 40 CFR Part 112, oil pollution prevention and SPCC requirements, EPA
- 40 CFR 110.3, discharge of oil causing a sheen, EPA
- 40 CFR 302, designation, reportable quantities and notification, EPA
- EPCRA Section 304, emergency release notification
- Clean Water Act Section 311, oil and hazardous substance liability
This page is general guidance, not legal advice. Confirm requirements with your jurisdiction’s regulator.