Weld County Water Intelligence Brief

July 6, 2026 | Free-Tier Edition | Water Division 1

Situation Summary

Weld County's two-river system — the South Platte mainstem and Cache la Poudre River — is running at low early-July flows following an anomalous 2026 snowmelt season in which headwaters snowpack melted out 4–6 weeks ahead of the historical median meltout date. Supplemental C-BT supply availability and augmentation plan compliance are the critical variables shaping operational decisions for allotment holders and direct-flow irrigators heading into the peak sugar beet and field corn irrigation window. Reservoir storage data, C-BT delivery status, and 7-day forecast details are available in the full brief.

Snowpack Conditions

All three SNOTEL stations monitoring the Cache la Poudre headwaters have fully melted out as of July 5, 2026:

No percent-of-median figures are reported for any station, indicating the July 5 median SWE is also 0.0" — these readings reflect normal seasonal conditions for this point in the calendar, not a below-normal anomaly relative to today's date. The critical signal for 2026 is timing: these stations melted out 4–6 weeks ahead of the historical median meltout date, meaning the pulse of snowmelt-driven streamflow that normally sustains late-June and July river flows arrived and passed significantly earlier in the season. South Platte basin headwaters snowpack — feeding flows from the upper Platte canyons and Blue River system — is an additional upstream supply variable not captured by these three Poudre-focused stations.

Streamflow Conditions

Both river systems are reporting low and falling flows as of July 6, 2026:

Cache la Poudre River:

The Timnath gauge, the closest active indicator to where the Poudre enters Weld County, shows just 1 cfs — indicating extremely limited natural flow available for direct-flow diversion on the lower Poudre. The falling trend at both gauges is consistent with post-meltout baseflow recession.

South Platte River:

The South Platte mainstem at Fort Lupton is carrying substantially more flow than the Poudre, though the falling trend warrants close monitoring as peak irrigation demand continues. Junior direct-flow right holders on both systems face the highest curtailment exposure under current conditions.

Seasonal Guidance

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Data Sources: SNOTEL data through July 5, 2026; USGS streamflow data through July 6, 2026

Data Current As Of: Colorado Division of Water Resources

Important Disclaimers: This brief provides automated analysis for informational purposes only. Specific numerical claims have not been independently verified. Consult official sources including your local water district, Northern Colorado Water Conservancy District (Northern Water — administers C-BT Project; Horsetooth Reservoir data via Northern Water portal at northernwater.org or USBR HydroMet site HRT), U.S. Bureau of Reclamation Eastern Colorado Area Office (Loveland, CO), and Colorado Division of Water Resources Water Division 1 (Greeley office) for regulatory decisions and water rights administration.