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Suntory Natural Water Sanctuary Programme (Japan)

Japan · Osaka · See the Japan profile

Since 2003, Suntory holds 30–100-year forest management agreements at 27 Japanese sites totalling >12,000 ha, recharging more than twice the groundwater it extracts. Five sanctuaries hold OECM certification from Japan's Ministry of the Environment.

27 sites
Number of sanctuaries (as of 2026)
16 prefectures
Prefectures covered (as of 2026)
12,000+ ha
Total area managed (as of 2026)
>2x ratio of recharge to withdrawal
Groundwater recharge relative to extraction (since 2006 modelling began)
5 sites
Sites with OECM certification (as of 2026)
30-100 years
Landowner contract duration (n/a)

Details

Maturity
Established
Promoter
Suntory Holdings Limited
Period
2003–present
Keywords
food and beverage, corporate, water stewardship, watershed, nature

Context

Suntory's beverage and spring-water business depends on the forests that recharge its groundwater sources. Since 2003 the company has moved beyond conventional CSR afforestation toward long-term contractual watershed protection.

Objectives

The Natural Water Sanctuary programme protects and restores forests supplying groundwater to Suntory's manufacturing sites through long-term (30 to 100-year) agreements with landowners, functioning as a genuine payment-for-watershed-services mechanism.

Activities

Management activities include selective thinning of neglected cedar and cypress plantations, enrichment planting with locally sourced native seedlings matched by DNA to surrounding vegetation, and airborne lidar-assisted forest-structure surveys. A groundwater flow simulation model has operated since 2006 to track recharge outcomes.

Results

As of 2026 the programme covers 27 sanctuaries across 16 Japanese prefectures, totalling more than 12,000 ha. Published model results show the managed forests recharge more than twice the groundwater withdrawn at all Suntory-owned manufacturing sites in Japan. Five sanctuaries have been recognised by Japan's Ministry of the Environment as Other Effective Area-Based Conservation Measures (OECMs).

Conclusions

The programme's long-term contractual structure, quantitative recharge monitoring, and government OECM recognition demonstrate a durable corporate watershed-PES model, though it remains dependent on a single voluntary corporate funder rather than an external regulatory mandate.

Implementation
Indicative cost
High (€500k–€5M) — Ongoing forest management across more than 12,000 ha including lidar surveys and DNA-matched native planting; no public budget figures disclosed.
Time to results
Long (> 3 years) — Programme running since 2003; individual landowner contracts run 30 to 100 years.
Staffing & skills
Suntory water-science team (groundwater flow modelling), forestry contractors for thinning and enrichment planting, university researchers and government agencies for independent evaluation

Conditions for success

  • long-term (30-100 year) contractual agreements with landowners rather than one-off afforestation
  • locally-sourced, DNA-matched native seedlings
  • sustained corporate funding tied to core business water dependency

Common failure modes

  • reliance on a single voluntary corporate funder with no external regulatory mandate

Where it fits

Governance type
corporate PES with long-term landowner contracts
Scale
27 sites across 16 prefectures
Income level
high-income

Data sources

Where this practice's information was retrieved from, and when.

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