Douglas County water commission discusses Colorado Supreme Court ruling, metering and rulemaking

At its Jan. 27, 2025 meeting, the Douglas County Water Commission received an update from county attorney staff about a Colorado Supreme Court decision that could change how well withdrawals are measured and regulated.

Chris Pratt, staff at the county attorney’s office, summarized the ruling and its immediate status: “Yes. Basically, telling the supreme court, we think you were wrong. Could you reconsider this? And the supreme court, unsurprisingly, said no. They think they got it right.” Pratt said the court indicated the state engineer may treat the 100‑year flow rate as a cap on the total amount of water withdrawable from a well and that the decision could apply retroactively to previously issued well permits.

The ruling’s practical effects remain uncertain. Pratt told commissioners that implementation details—including whether the state engineer will require metering, how renewals would be handled, and how retroactive application would work—are still being developed and likely subject to a state rulemaking process. He said the county is monitoring developments and that county leadership has considered retaining outside water counsel.

Commissioners raised practical concerns. Jim Morris said some local water districts already allow private residential wells and are considering whether to require annual reporting for those wells. Don Langley said the commission’s reading is that the ruling likely applies to nonexempt wells and that exempt domestic wells would remain exempt, but he and others said it is unclear how far back metering and reporting requirements extend.

Commissioners discussed the cost and feasibility of metering as part of any compliance regime and suggested strategic metering and targeted monitoring within subzones rather than immediate universal retrofitting. Sean Turner referenced the San Luis Valley example, where metering and curtailment have been used in a different basin. Evan Elam (commission member) and others urged active participation by the commission in any state rulemaking and consideration of incentives or rebate programs to avoid imposing unfunded mandates on private well users.

Why it matters: if the state engineer treats the 100‑year flow rate as an enforceable cap and applies that reading to existing permits, local water providers and private well owners could face new reporting, metering or permit renewal requirements. Commissioners said they want the county to track rulemaking closely and keep the commission informed.

Next steps identified in the meeting included county staff and the county attorney’s office monitoring state action, possibly retaining outside counsel for analysis, and asking staff to forward relevant notices, hearing schedules and analyses to commission members.

At the end of the discussion commissioners reiterated a desire to be involved in the state rulemaking process and to pursue a combination of targeted monitoring, coordination with local water providers and potential financial approaches to mitigate meter-installation costs.