分销诚信管理计划（DIMP）
Cascade Natural Gas Corp. 定期评估和确定风险优先级，以验证天然气配送管道的完整性，确保它们继续以安全负责的方式运行，不会中断。为了遵守州和联邦法律，CNGC 根据物理和运营与维护组件确定了需要更换的管道部分。这类更换项目并不新鲜，自 2020 年以来，CNGC 已成功更换了以下城市的主干线和服务部分。
| Main (LF.) | Services (EA) | ||
|---|---|---|---|
| 2026 | Oregon | ||
| Baker City - See interactive map below | 18000 | 242 | |
| Washington | |||
| Longview - See interactive map below | 35728 | 105 | |
| Kelso - See interactive map below | 8300 | 30 | |
| 2025 | Oregon | ||
| Baker City | 22449 | 353 | |
| Washington | |||
| Longview | 21500 | 53 | |
| Kelso | 8380 | 48 | |
| 2024 | Oregon | ||
| Baker City | 15300 | 156 | |
| Washington | |||
| Kelso | 26500 | 98 | |
| Shelton | 8050 | 130 | |
| 2023 | Oregon | ||
| Baker City | 37340 | 549 | |
| Washington | |||
| Kelso | 20921 | 55 | |
| Shelton | 13619 | 66 | |
| 2022 | Oregon | ||
| Baker City | 33880 | 557 | |
| Bend | 2207 | 44 | |
| Washington | |||
| Shelton | 7686 | 72 | |
| 2021 | Oregon | ||
| Bend | 567 | 9 | |
| Washington | |||
| Anacortes | 4800 | 24 | |
| Shelton | 10663 | 57 | |
| 2020 | Oregon | ||
| Bend | 4845 | 101 | |
| Washington | |||
| Anacortes | 27350 | 229 |