Annual reports

WDID 9 37I004349Imerys Perlite USA Inc Active Facility profile

Records as the State Water Board publishes them in SMARTS, with the source's own types, statuses and identifiers. A listed inspection, violation or enforcement action is not, on its own, a finding about the facility's current compliance, and the absence of records does not establish compliance.

Showing 1–11 of 11 records, newest first. Retrieved from SMARTS Oct 21, 2026.

Annual reports for WDID 9 37I004349, grouped by reporting year
Reporting yearReport IDCertified (filing date)Application ID
2025
2025 1335746 Aug 07, 2026218279
2024
2024 1294581 Jun 16, 2025218279
2023
2023 1243689 Jun 14, 2024218279
2022
2022 1189715 Jul 06, 2023218279
2021
2021 1113121 Jun 29, 2022218279
2020
2020 1069149 Jun 26, 2021218279
2019
2019 986447 Jul 04, 2020218279
2018
2018 954022 Jul 11, 2019218279
2017
2017 939441 Jul 13, 2018218279
2016
2016 878708 Jul 06, 2017218279
2015
2015 844497 Jun 23, 2016218279

Records as published in the SMARTS compliance exports, retrieved Oct 21, 2026. Records are grouped by reporting year. Descriptions, notes and personal details are not published by this site. Report answers are not shown: the question wording is not part of the published export; see the certified report in SMARTS. Nothing here is a compliance determination.