Last updated 6 October 2026
An ISO 14001 aspects and impacts register lists each activity, product and service in your scope, the environmental aspect it creates, the impact that follows and the condition it occurs under: normal, abnormal or emergency. Each row is scored against written significance criteria. Clause 6.1.2 requires the aspects and impacts, the criteria and the significant aspects to be available as documented information.
On an audit at a meat plant a few years ago, I asked the environmental coordinator why the blood drain to sewer was rated not significant. He showed me the score. Three people had scored the register on three different days, and nobody could tell me what a 3 meant. The register was full. The criteria were empty.
Build a register that holds up with ISO 14001:2026 Understanding and Implementation. You finish with your own aspects and impacts register, written significance criteria and the controls, objectives and emergency plan that follow from it. About 24 hours online at your own pace, R4 800.
What goes into an ISO 14001 aspects and impacts register?
At minimum, the activity, the aspect, the impact, the operating condition and the significance result. Add the scoring factors, any override that applied, and the control, monitoring and owner that each significant row leads to.
Keep cause and effect apart. The aspect is the cause: caustic in the CIP rinse water. The impact is the effect: a change in water quality downstream. If your register says “water pollution” in the aspect column, it has skipped a step. For plain examples from South African sites, read environmental aspects and impacts explained.
| Column | What to write | Example |
|---|---|---|
| Process and activity | Where it happens and what people do | CIP of cook kettles, night shift |
| Aspect | The element that interacts with the environment | Caustic and acid rinse water to drain |
| Impact | The change to the environment | Load on the municipal works, harm to water quality |
| Condition | Normal, abnormal or emergency | Normal |
| Control or influence | Direct control, or influence over a supplier or customer | Direct control |
| Scoring factors | Severity, modifier, quantity and frequency or likelihood | 3, no modifier, 4 |
| Result | Score, override applied, significant or not | 12, permit override, significant |
| Links | Compliance obligation, control, monitoring, owner | Trade effluent permit, dump procedure, daily pH, production manager |
How do you find every aspect on a site?
Walk the process from receiving to dispatch and the boundary from drain to fence. Then test your list against the aspect categories in Annex A.6.1.2 and the three conditions clause 6.1.2 asks you to take into account.
- List every process in scope, including support areas people forget: boiler house, refrigeration, workshop, canteen, waste yard and stormwater system.
- Walk the boundary with a site drawing. Mark every drain, outlet, watercourse, neighbour and storage area.
- For each activity, run through the Annex A.6.1.2 categories: emissions to air, releases to water and land, use of raw materials and natural resources, energy use, energy emitted (heat, noise, light, vibration), waste and by-products, land use, and use of marine and coastal areas where that applies.
- Run each activity under normal, abnormal and emergency conditions. Abnormal covers start-up, shut-down, breakdowns and running on generators during load shedding. The 2026 text now names normal conditions explicitly.
- Add change: planned extensions, new products and new contractors, as 6.1.2 b) and 6.3 require.
- Look up and down the life cycle. Packaging you specify, transport you arrange and the disposal of your product all count. Annex A.6.1.2 is clear that no full life cycle assessment is needed.
- Read the complaints file, the incident log and the permit exceedance letters. Past incidents belong in the register.
How do you score significance in an ISO 14001 aspects register?
Use written criteria that score environmental harm first, a fixed threshold, and override rules that can only raise a result. ISO 14001 prescribes no method. What follows is one sound method I use on food and agri sites.
The requirement itself is short. Clause 6.1.2 asks for established criteria, and for those criteria to be available as documented information. Annex A.6.1.2 is guidance rather than requirement, but it adds that environmental criteria are the primary and minimum basis, and that legal or interested party criteria can raise significance but are not meant to lower it. A method that ignores that guidance will be hard to defend at audit.
| Score | Severity | Quantity and frequency (normal rows) | Likelihood (abnormal and emergency rows) |
|---|---|---|---|
| 1 | Stays on site, quickly reversed | Small, occasional | Not expected in five years |
| 2 | Leaves site to a managed system within limits | Small, regular | Once in five years |
| 3 | Above normal loads to a managed system, or local nuisance | Moderate, weekly or monthly | Once in a year or two |
| 4 | Reaches the natural environment, harm lasting weeks | Large, daily | Once a year or more |
| 5 | Serious or lasting harm to water, an ecosystem or health | Very large or continuous | Has happened here or on similar sites recently |
Add 1 to severity, to a maximum of 5, where the aspect can reach a watercourse. Multiply severity by quantity and frequency for normal rows, or by likelihood for abnormal and emergency rows. The top score is 25. Then apply the rules in this order:
- A score of 12 or more is significant.
- Severity 5 is significant whatever the likelihood, so a rare but serious emergency cannot score itself off the list.
- An aspect tied to a permit, licence or other legal limit is significant.
- An aspect linked to a complaint, regulator notice, incident or exceedance in the last 24 months is significant.
- An aspect tied to an interested party requirement you decided to address under 4.2 c) is significant.
- No rule lowers a result.
Score every aspect before controls. A bunded tank is still a tank of caustic. The controls explain how the aspect is managed. They are not a reason to drop it from the list.
What does a scored register look like? A worked example
Here are seven rows from Mzansi Fresh Meals, the ready meals case site in our course. It is a training scenario built from real audit patterns, with a fictional stream, the Mvubu, running past the stormwater outlet.
| Aspect | Condition | Severity | Factor | Score | Result |
|---|---|---|---|---|---|
| CIP caustic and acid rinse to sewer | Normal | 3 | Q and F 4 | 12 | Significant, permit override as well |
| Diesel boiler emissions to air | Normal | 3 | Q and F 4 | 12 | Significant |
| Ammonia release from the engine room | Emergency | 5 | Likelihood 2 | 10 | Significant by the severity 5 rule |
| Diesel spill at the boiler day tank to stormwater | Emergency | 4 plus 1 = 5 | Likelihood 3 | 15 | Significant |
| Grease trap overflow to sewer | Abnormal | 3 | Likelihood 4 | 12 | Significant |
| Food waste to a pig farmer and a composter | Normal (beneficial) | 3 | Q and F 4 | 12 | Significant beneficial, an opportunity under 6.1.4 |
| Office paper to recycling | Normal | 1 | Q and F 2 | 2 | Not significant |
Look at the ammonia row. On arithmetic alone it scores 10 and falls below the line. Without the severity rule, the worst event the plant could have would not be significant, and the emergency plan, the drills and the training would have nothing to hang on. Look at the diesel row too. The stream modifier lifts it from 12 to 15. Without that modifier, the context register’s note about the Mvubu would never reach the aspects work.
Score your own site with these anchors and have your work checked automatically. See the ISO 14001:2026 Understanding and Implementation course: the planning module builds the register, the workshop tests it in a timed practical stage, about 24 hours in all for R4 800.
Where do aspects registers fail at audit?
Five faults come up again and again: no written anchors, scores taken after controls, rules that downgrade, a register frozen since the first certificate, and significant aspects with nothing attached to them.
- No anchors. An auditor will pick three rows and rescore them from your criteria. If they cannot reproduce your numbers, the criteria are not established.
- After controls. A rule such as “fully controlled by a procedure, severity 1” lowers significance for reasons that have nothing to do with the environment. Expect the auditor to challenge your criteria under 6.1.2.
- Downgrades. “It is legal, so it is not significant” turns Annex A.6.1.2 upside down.
- Frozen. The site added a second boiler, changed its cleaning contractor and lived through a drought, and the register still carries the date of the first certificate.
- Orphans. A significant aspect with no control, monitoring, objective or training against it tells the auditor the register is a separate exercise from running the site.
If you are the person who audits registers like this, the ISO 14001:2026 Internal Auditor course teaches you to test criteria and write the finding. It is about 14 hours and on a limited period special at R3 850.
How does the register feed the rest of the system?
Every significant aspect should lead somewhere. Clause 6.1.5 asks you to plan action on them, and 6.1.2 asks you to communicate them across levels and functions.
Follow the CIP row through. It links to the trade effluent permit in the compliance obligations register (6.1.3). It may raise a risk under 6.1.4, such as a permit suspension if exceedances continue. It may earn an objective under 6.2, which is where ISO 14001 environmental objectives and KPIs picks up. It needs operating criteria under 8.1. The ammonia and diesel rows feed the emergency process, set out in ISO 14001 emergency preparedness and response.
Then the people. Clause 7.3 b) requires everyone working under your control to know the significant aspects of their own work. The CIP operator, the boiler attendant and the waste yard hand each need their rows, in plain language. Introduction to ISO 14001:2026 does that for supervisors and operators in about 6 hours, for R1 495. Not sure which ISO 14001 course fits your job? WhatsApp ASC on +27 61 483 0381.
The full course ladder sits on the ISO 14001 training hub.
Frequently asked questions
What is the difference between an environmental aspect and an environmental impact?
An aspect is the part of an activity, product or service that interacts with the environment, such as caustic in CIP rinse water. The impact is the change to the environment that results, such as harm to water quality.
Does ISO 14001 prescribe a significance scoring method?
No. Clause 6.1.2 requires established criteria that are available as documented information. Annex A.6.1.2 says environmental criteria are the minimum basis, and that legal or interested party criteria can raise significance but are not meant to lower it.
Should aspects be scored before or after controls?
Good practice is to score before controls. A well controlled aspect is still significant, and keeping it on the list means it stays monitored, trained on and audited in case the control fails.
Do emergency situations belong in the aspects register?
Yes. ISO 14001:2026 clause 6.1.2 asks you to determine potential emergency situations and take them into account when determining aspects, and those situations then feed the emergency process in clause 8.2.
How often should an aspects register be reviewed?
ISO 14001 sets no fixed interval. Review it when processes, equipment, products, compliance obligations or environmental conditions change, after incidents and complaints, and as a habit before each management review.
Do beneficial environmental aspects count?
Yes. Impacts can be beneficial, and clause 6.1.2 links significant aspects to opportunities as well as risks. Score them on the same scale and mark them as beneficial so the benefit is protected.
Which ASC course teaches you to build the aspects register?
ISO 14001:2026 Understanding and Implementation takes you from a blank sheet to a scored register you can defend, then carries every significant aspect into compliance obligations, risks, objectives, operational control and emergency planning. When the certification auditor rescores your rows, the numbers will hold.
R4 800, once off. No VAT is charged, so the price shown is the price paid. Teams of five or more: contact ASC for a team rate.
- About 24 hours across 6 modules and 67 lessons and workshop sittings
- Planning module covers aspects, the significance method, compliance obligations, risks and opportunities, objectives and planning of changes
- You finish with your aspects and impacts register with significance criteria, plus every other register the system needs
- Three-sitting workshop, each sitting ending in a timed practical stage, then a final assessment
- Everything marked automatically the moment you submit, with feedback that names the lesson to revisit
- ASC certificate of completion with a verification code
- Is it for me? Yes if you own the aspects register, or the processes in it: SHEQ, QA, environmental, engineering or operations managers.
- How long does it take? About 24 hours, in short lessons on your phone or laptop.
- Will it work at my site? Yes. Score your own site, or practise on a ready meals plant, a citrus packhouse or a restaurant group.
Upgrading a 2015 register rather than starting fresh? Transition to ISO 14001:2026 (R1 950) covers the 6.1.2 changes. For awareness and auditing, see Introduction to ISO 14001:2026 and ISO 14001:2026 Internal Auditor.
ISO 14001 is copyright and is not reproduced here. ASC is not affiliated with ISO.
Sources
- ISO 14001:2026, Environmental management systems, ISO
- National Environmental Management Act 107 of 1998
- National Water Act 36 of 1998
- Occupational Health and Safety Act 85 of 1993, Major Hazard Installation Regulations 2022