Extension Impact Extension Impact is the quarterly publication of the Waupaca County UW-Extension office. Extension Impact Spring 2025 Extension Impact Winter 2025 Extension Impact Fall 2024 Extension Impact Spring 2024 Extension Impact Winter 2024 Extension Impact Fall 2023 Extension Impact Spring 2023 Extension Impact Winter 2023 Extension Impact Summer 2022 Extension Impact-Spring 2022 Extension Impact-Winter 2022