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Pursuant to the Weld County Home Rule Charter, Ordinance Number 2026-07 was introduced on first reading on May 13, 2026, and a public hearing and second reading was held on June 1, 2026, with changes being made as listed below. A public hearing and third reading is scheduled to be held in the Chambers of the Board, located within the Weld County Administration Building, 1150 O Street, Greeley, Colorado 80631, on June 15, 2026. All persons in any manner interested in the reading of said Ordinance are requested to attend and may be heard.
In accordance with the Americans with Disabilities Act, if special accommodations are required in order for you to participate in this hearing, please contact the Clerk to the Board's Office at (970) 400-4225 prior to the day of the hearing.
Any backup material, exhibits or information previously submitted to the Board of County Commissioners concerning this matter may be examined in the office of the Clerk to the Board of County Commissioners, located within the Weld County Administration Building, 1150 O Street, Greeley, Colorado 80631, between the hours of 8:00 a.m. and 5:00 p.m., Monday through Friday, or may be accessed through the Weld County website (www.weld.gov). Email messages sent to an individual Commissioner may not be included in the case file. To ensure inclusion of your email correspondence into the case file, please send a copy to egesick@weld.gov.
Ordinance No. 2026-07
Ordinance Title: In the Matter of Repealing and Reenacting, with Amendments, Chapter 30 Weld County Department of Public Health and Environment On-Site Wastewater Treatment System Regulations of the Weld County Code
Date of Next Reading: June 15, 2026, at 9:00 a.m.
Board of County Commissioners
Weld County, Colorado
Dated: June 3, 2026
Published: June 5, 2026, in the Greeley Tribune
Changes Made to Code Ordinance #2026-07 on Second Reading
Amend Sec. 30-5-40 title of table to read as follows: Table 30-5-1: Rupture Resistance: Blocks, Peds, Clods – Estimate the class by the force required to rupture (break) a soil unit.
Following Table 30-5-40, delete reference to 43.5 Site and Soil Evaluation.
Amend Sec. 30-6-10.D.1.c to read as follows:
c. When a specific use is proposed which is not addressed within Table 30-6‑2, and where flow data from similar facilities is not available, the design document must provide reference to an alternate regulatory or industry standard for OWTS from where the proposed flow and water quality data was obtained. Estimates must include peak flows relative to full occupancy.
Amend Table 30-6-2 to delete and renumber subsequent items - footnote #4 which reads: As stated in section 43.6.A.2.i, the local public health agency may increase the “per bedroom” design flows for vacation home rentals relative to the expected maximum occupancy of the home. These flows are in addition to the 150 gal./bedroom requirement.
Amend Table 30-6-3 to amend footnote #5 to read as follows:
5. TL3ND requires effluent to be treated to TL3N standards prior to disinfection.
Amend Table 30-7-1 to amend footnote #11 to read as follows:
11. In specific circumstances, the local public health agency may allow for a reduced setback from a property line to the OWTS.
Amend Table 30-7-2 to amend footnote #4 to read as follows:
4. Pressure dosing is required for all TL2N, TL3, TL3N, and TL3ND systems, Article VIII Design Criteria - General.
Amend Sec. 30-9-90.A.3.a to read as follows:
a. Where a grinder pump is used prior to the septic tank, an effluent filter is required to be installed on the outlet of the septic tank. Additional tank requirements are provided in Section 30-9-20.
Amend Sec. 30-9-90.G.1.e to read as follows:
e. Must bear the seal indicating acceptable product testing from a U.S. Department of Labor, Occupational Safety and Health Administration Nationally Recognized Testing Laboratory (NRTL), (https://www.osha.gov/dts/otpca/nrtl/nrtllist.html), such as UL or ETL.
Amend Table 30-10-1 to amend footnote #2 to read as follows:
2. The determination of long-term acceptance rates must also include an evaluation of soil consistence (identification of “cementation class”). Refer to the Rupture Resistance chart, Table 30-5-1, in Section 30-5-40. Moderately to Very strongly cemented soils will typically have characteristics of Type 3A or 4A soils. Long term acceptance rates should be reduced to coincide with the expected permeabilities.
Amend Table 30-10-1A to amend the footnotes to read as follows:
1. General guidance for Table 30-10-1A:
a. through d. – No change.
e. An OWTS installed in “Type R Soils” must disperse effluent through an unlined sand filter, unless one of the following conditions are met:
i) Treatment Level 3ND is attained.
ii) Site conditions are determined to be a soil Type DBR, or R-1, and Treatment Level 3 or 3N effluent is attained prior to dispersal to the soil treatment area.
f. “Excavation Difficulty” is provided in Table 30-10-1C.
2. Provisions for determining the long-term acceptance rates for soils referenced in this chart are provided in Section 30-11-30.C. The design of systems in type “R” soils must conform to the requirements of Sections 30-11-30.B and .C.
3. The “Soil Matrix Type, Percentage and Size of Rock” column references the soil types described in Table 30-10-1.
4. through 5. – No change.
6. Pressure distribution is required for all “R” Soil Types and shall comply with the requirements of Section 30-10-40.C.
7. through 8. – No change.
Amend Table 30-10-1C Note to read as follows:
Note: Depending on the “Excavation Difficulty” in a DBR soil, the proposed LTAR must increase by the following: one soil type for “moderate”, two soil types for “high”, and three soil types for “very high” or “extremely high” excavation difficulty from the soil type of the observed soil texture; with a maximum soil type 5 LTAR. Soil types provided in Table 30-10-1.
Amend Table 30-10-3 to amend footnote #1 to read as follows:
1. All proprietary distribution products must receive acceptance and the applicable reduction per the applicable requirements of Section 30-14-10.
Amend Sec. 30-10-40.A.3.c to read as follows:
c. Size adjustment factors identified in Table 30-10-3 must not be applied.
Amend Sec. 30-10-40.C.1.a.(3) to read as follows: Orifice size: 1/8 inches - 3/8 inches (Also see Section 30-11-30.B below) Orifice spacing: 18 inches - 48 inches
Amend Sec. 30-11-20. Treatment levels, to read as follows:
The treatment levels identified in Table 30-6-3 are specified in this Section for public domain technology. Proprietary systems will be assigned to a treatment level approved by the Water Quality Control Division. Adequate maintenance and operation plan as required by the Water Quality Control Division must be submitted to the Division.
Amend Sec. 30-12-40.A. Incinerating, composting and chemical toilets, to read as follows:
A. The use of an incinerating, composting or chemical toilet will not reduce the required size of the OWTS as noted in Section 30-8-10.
Delete Sec. 30-12-40.H.