Postal Address
Head Office
Cambridge Office
Private Bag 2402
07 872 0030
07 823 3800
Te Awamutu 3840
101 Bank Street
23 Wilson Street
New Zealand
Te Awamutu 3800
Cambridge 3434
17 December 2025
Doc# 11595525
Sovereign Sharna
C/-
[FYI request #32674 email]
Dear Sharna,
CRLGX00100/25 – FLUORIDE SUPPLY CHAIN
The Ministry of Health transferred your email sent on 25 October 2025 to Waipā District Council on
5 December 2025.
We have reviewed the requests that you have set out in your email and we can provide you with
the following responses for Waipā District (noting that Waipā does not currently fluoridate our
water supply):
A. Supply & Production
1.
Identify the factory/facility where the fluoride chemicals supplied to New Zealand water
systems are produced, including location, operator, and production process. Include all
applicable laws, regulations, licenses, and international standards governing manufacture.
No information to provide.
2. Identify all upstream raw material suppliers, including chemical sources such as phosphate
rock suppliers, and any subcontracted labs or blending facilities.
No information to provide.
3. Provide the full chemical composition, including chemical names, chemical formulae, and
concentrations of all fluoride compounds added to the public water supply.
Hydrofluorosilicic Acid – please refer to th
is fact sheet for further information.
4. Provide all Safety Data Sheets (SDS), production records, and toxicology studies related to
the fluoride chemicals supplied.
No information to provide.
5. Provide details of any chemical by-products, waste, or residues generated during production,
storage, transport, or dosing, including their environmental and human health impacts.
No information to provide.
6. Disclose all corporate entities, owners, and shareholders that profit from the manufacture or
sale of fluoride chemicals in New Zealand.
No information to provide.
0800 WAIPADC (924 723)
/WaipaDistrictCouncil
/Waipa_NZ
/Waipa_DC
www.waipadc.govt.nz
Document Set ID: 11595525
Version: 4, Version Date: 17/12/2025
Date Created
7. Clarify whether New Zealand currently manufactures fluoride chemicals domestically,
imports ready-made fluoride chemicals, or both, including details of manufacturers and
import sources.
No information to provide.
B. Transport & Logistics
8. List all companies involved in transporting fluoride chemicals from production sites to
distributors, councils, and water treatment facilities. Include freight, shipping, and air
transport entities.
Ixom will be the Waipā District supplier of Hydrofluorosilicic Acid.
9. Provide shipping manifests, including transport schedules, storage conditions, and handling
protocols (personal driver details may be redacted).
No information to provide.
10. Include all applicable laws, licenses, and regulatory frameworks under which these
transporters operate, particularly regarding hazardous substances.
No information to provide.
C. Contractors & Distribution
11. Identify all contractors, consultants, and water treatment personnel who handle, dose, or
monitor fluoride chemicals.
No information to provide.
12. Provide full contract details, including terms of service, duration, performance bonds,
insurance coverage, and any professional certifications required.
No information to provide.
13. Disclose all corporate structures, shareholders, and profit arrangements related to these
contractors.
No information to provide.
D. Policy & Decision-Makers
14. List all individuals, boards, committees, and advisers who approve or recommend fluoride
use in New Zealand, including councils, Ministry of Health, and public health associations.
No information to provide. Please refer to the Ministry of Health’s response to this question.
15. Include all corporate affiliations, financial interests, and advisory bodies that influence
decisions regarding fluoride.
No information to provide.
E. Compliance, Oversight & Safety
16. Provide copies of all risk assessments, environmental impact statements, monitoring reports,
and internal or external evaluations regarding fluoride safety, dosing, and public health.
No information to provide.
17. Provide documentation of regulatory compliance, inspections, or audits by government or
third-party authorities.
No information to provide.
18. Disclose any incidents, complaints, or breaches relating to fluoride chemical safety, handling,
or dosing.
0800 WAIPADC (924 723)
/WaipaDistrictCouncil
/Waipa_NZ
/Waipa_DC
www.waipadc.govt.nz
Document Set ID: 11595525
Version: 4, Version Date: 17/12/2025
Date Created
No information to provide.
F. Global Precedents & Case Studies
19. Provide documented information on countries that have ceased or restricted water
fluoridation, including Germany, Sweden, Japan, Netherlands, Finland, Israel, Hungary, and
the United States (Utah).
No information to provide.
20. Include international case law, peer-reviewed studies, legal decisions, or environmental
assessments showing health or environmental risks, chemical by-products, or public health
outcomes linked to fluoride.
No information to provide.
21. Provide references to any policy or scientific evidence considered when approving or
maintaining fluoridation in New Zealand.
No information to provide.
For the instances above where we have no information to provide, please note this is pursuant to
section 17(g)(i) of the Local Government Official Information and Meetings Act 1987 as the
information requested is not held by the local authority and the person dealing with the request has
no grounds for believing that the information is either held by another local authority or a
department or Minister of the Crown or organisation.
Please let us know if there is anything further we can assist with.
You have the right to request the Ombudsman to investigate and review this response. The address
for the Office of the Ombudsman is PO Box 10152, Wellington 6143 or you can email
[email address] or freephone 0800 802 602.
Yours sincerely
Karl Pavlovich
MANAGER WATER SERVICES
0800 WAIPADC (924 723)
/WaipaDistrictCouncil
/Waipa_NZ
/Waipa_DC
www.waipadc.govt.nz
Document Set ID: 11595525
Version: 4, Version Date: 17/12/2025
