Korea Environmental Liability Insurance Remediation & Coverage Gap Calculator

Stress-test soil, water, or other pollution remediation, response cost, third-party injury, property and interruption loss against confirmed Korean environmental liability policy sublimits, deductible, occurrence limit, and remaining aggregate.

This tool does not classify a facility or decide an insurance claim

Use a facility group confirmed by the Korean permitting authority and insurer, actual remediation quotes, and the issued policy schedule. The model does not decide compulsory status, causation, legal liability, policy cover, loss adjustment, or claim payment.

1. Facility reference and base incident cost

Enter one incident using environmental investigation and remediation quotes plus third-party loss estimates. Facility class and pollution medium never apply an automatic rate or exclusion.

m²

Area, volume, or mass estimated by an environmental specialist

KRW/m²

Actual quote rate with excavation, transport, disposal, and reinstatement scope checked

KRW

Sampling, laboratory work, plume delineation, and expert assessment

KRW

Isolation, recovery, temporary storage, and initial response

KRW

Modeled medical, lost-income, and damage exposure for other people

KRW

Damage to another party property, land, equipment, or inventory

KRW

Modeled neighboring-business interruption, substitute premises, or loss of use

KRW

Legal, expert, adjustment, and dispute-response cost

KRW

Fixed cost and lost operations reviewed under a separate endorsement from third-party statutory damage

2. Issued environmental liability policy

Copy usable sublimits, deductible, occurrence limit, aggregate, and prior erosion from the schedule and endorsements. Use insurer-confirmed values for shared limits and incident, discovery, and notice conditions.

Has the policy been checked for the facility, location, pollutant, incident timing, retroactive, discovery, and notice conditions?

When unconfirmed, modeled payout is zero and the full incident cost remains retained exposure.

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Defense-cost limit treatment

3. Pollution-spread scenarios

Keep the base quote at 100% and set separate contained and severe-spread multipliers. These are not statutory factors or incident probabilities.

%

Multiplier from 1% to 100% applied to base cost items

%

Multiplier from 100% to 500% applied to base cost items

Remediation, liability exposure, and modeled payout

The model applies category sublimits, one deductible, the occurrence limit, then the remaining aggregate.

Remediation or liability gap

Base total exposure

KRW 1,010,000,000

Base modeled payout

KRW 920,000,000

Base retained exposure

KRW 90,000,000

Base protection ratio

91.1%

Aggregate remaining before scenario: KRW 10,000,000,000

2026 Korean statutory references

Facility group confirmation required

Confirm the site-level facility group, enterprise-size adjustment, and compulsory status with the permitting authority, environmental liability system, and insurer.

The liability limit is not an insurance payout limit. This tool does not decide the Article 7 exceptions for intent, gross negligence, regulatory breach, or inadequate response.

Three-scenario comparison

Three-scenario comparison
ScenarioMultiplierRemediationThird-party liabilityInvestigation, response, defense, and own interruptionTotal exposureSublimit gapModeled payoutRetained exposureBase protection ratio
Contained spread60%KRW 120,000,000KRW 360,000,000KRW 126,000,000KRW 606,000,000KRW 48,000,000KRW 548,000,000KRW 58,000,00090.4%
★ Base case100%KRW 200,000,000KRW 600,000,000KRW 210,000,000KRW 1,010,000,000KRW 80,000,000KRW 920,000,000KRW 90,000,00091.1%
Severe spread180%KRW 360,000,000KRW 1,080,000,000KRW 378,000,000KRW 1,818,000,000KRW 408,000,000KRW 1,400,000,000KRW 418,000,00077%

Base-scenario coverage categories

Base-scenario coverage categories
CategoryModeled lossWithin sublimitSublimit gap
RemediationKRW 200,000,000KRW 200,000,000KRW 0
Investigation and emergency responseKRW 80,000,000KRW 80,000,000KRW 0
Third-party bodily injuryKRW 200,000,000KRW 200,000,000KRW 0
Third-party property and interruptionKRW 400,000,000KRW 400,000,000KRW 0
Operator own interruptionKRW 80,000,000KRW 0KRW 80,000,000
Litigation and defenseKRW 50,000,000KRW 50,000,000KRW 0

Modeled gap locations

Sublimit gap
KRW 80,000,000
Deductible applied
KRW 10,000,000
Occurrence-limit gap
KRW 0
Remaining-aggregate gap
KRW 0
Unconfirmed-coverage gap
KRW 0

Environmental due-diligence and renewal checklist

  • Confirm the site-level facility group, enterprise-size adjustment, and compulsory status with the permitting authority, environmental liability system, and insurer.
  • At least one scenario exceeds a remediation, investigation/response, bodily, property/interruption, own-interruption, or defense sublimit.
  • Operator own interruption is separate from third-party environmental damage under Article 2, and the amount above the entered endorsement limit remains retained exposure.
  • Confirm sudden and gradual pollution, pre-existing contamination, remediation orders, insured address, all facilities and media, shared limits, deductible mechanics, series wording, other insurance, and insurer-consent conditions.

Model boundary

The model caps each entered loss at its category sublimit, applies one deductible to indemnity other than defense cost, then applies the occurrence and remaining aggregate limits. Defense selected outside limits is only a candidate payment. Actual allocation and claim payment depend on the issued wording.

Related calculators

Model remediation cost and third-party liability together

A Korean soil or groundwater incident may extend beyond initial containment into sampling, site investigation, excavation, transport, treatment, disposal, restoration, long-term monitoring, neighboring property damage, business interruption, and legal response.
The affected volume can also expand after migration pathways are investigated.
A policy occurrence limit therefore tells only part of the story: remediation, emergency response, bodily injury, property and interruption loss, defense cost, deductibles, sublimits, and the remaining policy aggregate should be tested together.

This calculator applies an environmental professional's estimate and the actual Korean policy schedule to contained, base, and severe scenarios.
It does not classify a facility, determine compulsory insurance status, decide causation or legal responsibility, interpret coverage, adjust a loss, predict a premium, or confirm a claim payment.
Use the output to turn a remediation scenario into specific questions for the competent authority, insurer, broker, environmental consultant, and Korean legal adviser.

Loss categories in the model

Remediation cost

Quantity multiplied by the entered unit estimate models excavation, handling, treatment, disposal, and restoration within the scope of that estimate.

Investigation and emergency response

Sampling, analysis, expert assessment, containment, recovery, and temporary protection remain visible as response costs.

Third-party bodily injury

A user-supplied financial stress amount represents bodily injury to residents, visitors, or other third parties without predicting an award.

Third-party property and interruption

Neighboring land, buildings, equipment, inventory, loss of use, and business interruption are tested against one confirmed sublimit.

Defense and own interruption

Defense treatment can be inside limits, outside limits, or unconfirmed, while the operator's own interruption requires a separately confirmed sublimit.

Three incident severities

The contained and severe percentages scale every base loss category so that increasing contamination scope exposes limit erosion.

Korea's current environmental liability framework

Article 2 of Korea's Act on Liability for Environmental Damage and Relief Thereof defines environmental damage to another person's life, body, or property and excludes damage suffered by the operator itself and occupational damage suffered by its employee.
Article 6 establishes the operator liability framework for environmental damage connected with installation or operation of a facility, while Article 7 addresses liability limits and exceptions including intentional or grossly negligent conduct and specified compliance failures.
Articles 8 and 9 address notification, emergency measures, records, and causation factors; Articles 13 and 14 address monetary compensation and restoration; and Article 20 addresses a harmed party's direct claim against the insurer and a possible partial advance.

Confirmed Korean facility group coverage amounts and liability limit references
Confirmed facility groupDecree Annex 4 coverage amountDecree Annex 2 liability limit referenceSelection condition
Group AKRW 30 billionKRW 200 billionAuthority and insurer confirmed Group A
Group B · small enterpriseKRW 10 billionKRW 100 billionBoth status elements confirmed
Group B · other enterpriseKRW 15 billionKRW 100 billionGroup B and non-small status confirmed
Group C · small enterpriseKRW 5 billionKRW 50 billionBoth status elements confirmed
Group C · other enterpriseKRW 7.5 billionKRW 50 billionGroup C and non-small status confirmed

Why the legal amounts are never inferred

Article 17 and Annex 3 of the Enforcement Decree define compulsory insurance facilities, but the result depends on facility type, scale, permits, site configuration, amendments, and applicable exceptions.
Annex 4 provides a per-environmental-damage-incident insurance or financial-security amount by confirmed group, while Annex 2 provides a different Article 7 liability-limit reference.
The calculator displays these numbers only after the user selects a classification already confirmed by the competent Korean authority and insurer.

Documents to collect before entering values

  1. Facility evidence. Keep permits, notifications, facility type and capacity, the site facility list, enterprise-size evidence, and the insurance certificate together.
  2. A scoped remediation estimate. Confirm whether the quantity is square metres, cubic metres, or tonnes and whether investigation, transport, disposal, restoration, and monitoring are inside the unit price.
  3. Separated third-party losses. Record bodily injury, land or building damage, inventory, loss of use, and neighboring business interruption rather than using one unsupported total.
  4. The usable policy schedule. Copy confirmed remediation, response, bodily, property and interruption, own-interruption, and defense sublimits as well as occurrence limit, aggregate, prior use, and deductible.
  5. Long-tail coverage terms. Retroactive date, discovery period, policy-period trigger, claim notice, gradual versus sudden pollution wording, known conditions, and prior pollution exclusions remain outside the arithmetic but central to coverage.

Calculation sequence

  1. Build base remediation cost. The model multiplies quantity by unit cost, then keeps investigation, emergency response, third-party losses, defense, and own interruption visible.
  2. Scale each severity. The contained percentage can range from 1% through 100%, the base remains 100%, and the severe percentage can range from 100% through 500%.
  3. Apply category sublimits first. The lower of each scenario loss and its entered sublimit remains eligible, and the excess becomes a category gap.
  4. Apply one deductible to indemnity. This simplified model deducts the per-occurrence retention once from eligible loss excluding defense and never creates a negative payout.
  5. Apply occurrence and remaining aggregate limits. Inside-limit defense erodes both limits; confirmed outside-limit defense is separated as a candidate payment.
  6. Calculate retained exposure. Total modeled loss less the candidate policy payout includes sublimit excess, deductible, limit erosion, uncovered own interruption, and any unconfirmed coverage condition.

Simplified formulas

Base remediation = quantity × unit estimate
Category eligible = min(scenario loss, confirmed sublimit)
Limit-subject claim = max(eligible indemnity − deductible, 0) + inside-limit defense
Candidate payout = min(limit-subject claim, occurrence limit, remaining aggregate) + outside-limit defense candidate
Retained exposure = total modeled loss − candidate payout

Worked KRW example

The default case enters 1,000 m² of soil remediation at KRW 200,000 per m², producing KRW 200,000,000 of remediation cost, plus KRW 30,000,000 of investigation and KRW 50,000,000 of emergency response.
KRW 200,000,000 of bodily injury, KRW 300,000,000 of property damage, KRW 100,000,000 of third-party interruption, KRW 50,000,000 of defense, and KRW 80,000,000 of the operator's own interruption produce KRW 1,010,000,000 of base total modeled loss.
Most sublimits are above the base losses, but own interruption has a conservative zero default sublimit and the occurrence deductible is KRW 10,000,000, leaving a KRW 920,000,000 candidate payout and KRW 90,000,000 retained exposure.

Contained 60%

KRW 548 million payout

KRW 58 million retained · 90.4% ratio

Base 100%

KRW 920 million payout

KRW 90 million retained · 91.1% ratio

Severe 180%

KRW 1.4 billion payout

KRW 418 million retained · 77.0% ratio

The severe protection ratio falls as remediation and property-related amounts exceed their category sublimits.
The ratio is a share of modeled loss, not a claim probability, solvency measure, coverage opinion, or certification that the purchased limit is adequate.

Practical facility and transaction scenarios

Factory or hazardous-material operation

Map maximum release by tank, pipe, and process, then test emergency response and long-duration remediation instead of assuming one combined environmental sublimit.

Fuel station or petroleum storage

Separate leak-discovery stages, excavation feasibility, contaminated-soil transport, groundwater treatment, and neighboring property loss of use.

Acquisition due diligence

Keep historic pollution, the policy retroactive date, discovery period, seller indemnity, environmental warranty, and price adjustment outside the simple current-incident total.

Landlord, tenant, or contract operator

Compare owner, occupier, operator, named insured, location, and contractual allocation before assuming which policy responds to own property or third-party damage.

Due-diligence questions created by the result

Ask the insurer or broker

  • Are the site, every regulated facility, and the described operation correctly scheduled?
  • How do gradual and sudden or accidental pollution terms differ?
  • Do remediation, response, bodily, property, interruption, and defense share a sublimit?
  • Does defense erode limits, require prior consent, or carry a separate cap?
  • What retroactive date, discovery period, notice trigger, and known-condition exclusion apply?

Ask Korean environmental and legal advisers

  • What are the credible maximum release and migration pathways?
  • Does the remediation estimate include investigation, transport, disposal, restoration, and monitoring?
  • Which facility group and compulsory amount did the competent authority confirm?
  • Which losses belong to a third party and which remain with the operator?
  • How do historic pollution, seller, lease, and contractor allocations affect the scenario?

Model limits and cautions

  • Use a scoped estimate from a qualified environmental provider and keep square metres, cubic metres, and tonnes distinct.
  • Each sublimit is applied independently; a shared sublimit, annual subaggregate, per-person cap, or instalment cap can reduce actual availability further.
  • One deductible is applied per occurrence; category retentions, percentage participation, minimum or maximum deductibles, and related-occurrence wording require separate analysis.
  • Outside-limit defense is only a candidate amount within the entered sublimit and can still depend on necessity, prior approval, insurer direction, and separate caps.
  • The operator's own interruption has a zero default because Article 2 separates own damage from third-party environmental damage; enter a value only after confirming separate cover.
  • The model does not predict premium, liability allocation, settlement, judgment, administrative remediation orders, loss adjustment, or actual claim payment.
  • This English page explains a Korean-law scenario and is not legal, environmental, insurance, accounting, or transaction advice in any jurisdiction.

Frequently asked questions

Can the calculator decide whether a facility must buy environmental liability insurance?

No. Article 17 and Decree Annex 3 require a review of facility type, scale, permits, site configuration, amendments, and exceptions by the competent Korean authority and insurer.

Are the coverage amount and liability limit the same number?

No. Decree Annex 4 provides the insurance or financial-security amount per environmental damage incident, while Annex 2 provides a distinct Article 7 liability-limit reference.

Why is own business interruption set to zero by default?

Article 2 excludes the operator's own damage from the statutory environmental-damage definition, so the conservative default prevents a third-party liability assumption from being treated as first-party cover.

How should remediation and emergency response be separated?

Put removal, treatment, disposal, and restoration in remediation, then put immediate containment, recovery, temporary protection, investigation, and assessment in response, subject to the policy definitions.

Does a modeled gap below the statutory amount prove non-compliance?

No. Multiple policies, co-insurance, site-level certificates, facility classification, and the actual evidence of insurance must be reviewed by the competent authority and insurer.

How should the severe percentage be selected?

Build a credible event such as maximum tank release, wider groundwater migration, inaccessible excavation, or long neighboring-business closure, then compare its estimated total with the base case.

Official sources and verification date

  • Korea National Law Information Center OPEN API: current Act ID 012198, MST 279801, Articles 2, 3, 6, 7, 8, 9, 13, 14, 17, 19, and 20, effective May 12, 2026
  • Korea National Law Information Center OPEN API: current Enforcement Decree ID 012427, MST 285829, effective May 12, 2026; Annex 2 ID 18125419, Annex 3 ID 18125421, and Annex 4 ID 18125423
  • Korea National Law Information Center OPEN API: current Enforcement Rule ID 012459, MST 286039, Articles 3, 12, and 13, effective May 12, 2026

Current-law and annex status was checked on August 17, 2026.
Before placement, renewal, acquisition, or a facility change, recheck the current MST, effective dates, facility group, enterprise-size status, policy wording, and certificate.

Put the scoped estimate beside the actual policy schedule

Do not guess the facility group; confirm it with the competent authority and insurer first.
Then enter remediation quantity, unit cost, third-party losses, sublimits, deductible, and remaining aggregate to compare all three severities.
Turn every retained amount into a documented question for renewal, transaction due diligence, and environmental risk control.