Rose Creek IA 05-NOD-6310
from mouth (T73N R36W Sec5 Montgomery Co.) to headwaters (T74N R36W Sec4 Cass Co.)
- Cycle
- 2018
- Release Status
- Final
- Overall IR
- 3 - Insufficient data exist to determine whether any designated uses are met.
- Trend
- Unknown
- Created
- 7/22/2019 7:24:00 AM
- Updated
- 7/22/2019 11:43:59 AM
The presumptive Class A1 (primary contact recreation) uses remain "not assessed" due to a lack of information upon which to base an assessment. The presumptive Class B(WW-1) aquatic life uses of this stream remain assessed (evaluated) as "partially supported" due to a fish kill in March 2009.
The kill occurred on or before March 18, 2009 and was attributed to manure contaminated water from a truck wash facility that was released into a ditch that flows into Rose Creek. Approximately 1,230 fish were killed with an estimated value of $110.70. The fish kill began near the center of Section 28 (T74N R36W) Noble Township in Cass County and extended 3 miles to the confluence with Seven-Mile Creek in Section 5 (T73N R36W) of Douglas Township in Montgomery County. Updated information shows that DNR sought and received restitution for this fish kill. According to DNR’s assessment/listing methodology, the occurrence of a single pollutant-caused fish kill, or a fish kill of unknown origin, on a waterbody or waterbody reach during the most recent assessment period indicates a severe stress to the aquatic community and suggests that the aquatic life uses should be assessed as “impaired.” If a cause of the kill is identified, and the cause is either known, or suspected, to be a “pollutant,” the assessment type is considered “monitored” and the affected waterbody is a candidate for Section 303(d) listing. If, however, a consent order has been issued to the party responsible for the kill and monetary restitution has been sought for the fish killed, the affected waterbody will be placed in IR Category 4d (impaired but TMDL not required). DNR feels that (1) TMDLs should not be required for kills caused by a one-time illegal or unauthorized release of manure or other toxic substance where enforcement actions were taken and (2) enforcement action is more appropriate, efficient, and effective for addressing a spill-related impairment than is the TMDL process. Thus, this assessment segment was placed in Category 4d of Iowa’s 2012 cycle. DNR considers IR Category 4d waterbodies where no additional kills have been reported for this stream for over five years, as appropriate for IR Category 2b/3b. Thus, this assessment is moved to IR Category 3b for the 2016 cycle and remains in that category for the current cycle.