W/Wisard
 
 Water/Wastewater Information System and Records Database
Database Instructions Document
Database Instructions Video

                       Water Supply Engineering Project          

      

Facility Info
PWSID Facility:
Owner Address: ATTN MAYOR, 520 4TH AVE, GRINNELL, IA 50112-1947
PWSID Number: IA7930008 Owner Contact: GRINNELL, CITY OF
Owner Phone: 641-236-2600 Facility Type: Community
County: POWESHIEK Field Office: FO5
Population Served: 9564 Status: Active

Project Details
Project #: W2023-0266
DWSRF Number: FS-79-24-DWSRF-006
Project Description: Water System Improvements; Well #10
DNR Project Manager: Skipp Slattenow, PE, CGP
email: skipp.slattenow@dnr.iowa.gov
Phone: (515) 725-0461
Consultant: McClure Engineering Company - (merged with IMEG - do not use)
Submitted Without Engineer: No

Construction Permit/Approvals
Categories Received Reviewed Finalized Final Action Permit Number Download
Other 1/31/2023 8/16/2023 9/14/2023 Approved Download
Description : “Membrane Pilot Study Protocol” and Addendum No. 1 to the protocol for a pilot of direct RO treatment, incl bag & cartridge filters for pre-treatment, and option for prefiltration if direct treatment is deemed non feasible. Treatment objectives: reduction of hardness, TDS, radium, ammonia,...
Viability assessment 3/1/2023 3/18/2024 4/25/2024 Approved Download
Description : NOTES re: facilities (Emergency Conservation Plan, long-term usage plans & water needs of substantial users, auxiliary filler pipe/hydrant for storage structures, security, valve exercising, water hammer, asbestos cement water mains, water loss monitoring, water meter testing, and cross-c...
Report 3/1/2023 2/7/2024 4/22/2024 Approved Download
Description : a new Jordan aquifer well is proposed to address the age and condition of Well #5 and Well #6, and raw water transmission system improvements are proposed to address aged and deteriorating water main extending from Well #8; direct membrane treatment of raw water (i.e., without pretreatment...
Site survey well 7/24/2023 8/21/2023 9/20/2023 Approved Download
Description : Well #10. NOTES re: 1) PWS well construction within projected groundwater contamination plume, 2) proof of legal control, 3) ground surface drainage, 4) separation distance maintenance, 5) chemical application, 6) chemical & mineral storage, 7) NPDES General Permit #6, and 8) NPDES Gen...
Well 10/6/2023 3/20/2024 5/7/2024 Permitted 2024-0309W Download
Description : one new municipal well (Well #10 – proposed total depth of 2300 ft below ground surface [bgs], 40" diam steel surface [i.e., outer] casing installed to a depth of 40 ft bgs, 32" diam steel inner casing installed to a depth of 225 ft bgs, and 24" diam steel production casing installed to a ...
Report 11/22/2023 10/24/2024 11/6/2024 Approved Download
Description : Pilot Study Report of Direct Membrane Treatment Process for Softening and Radium Removal from Source Water, dated November 2023 / revised October 2024. Used Filmtec NF90-4040 membrane elements in Harn pilot unit. The pilot unit was equipped with disposable bag and cartridge filters to filt...
Water main 12/27/2023 3/28/2024 7/11/2024 Permitted 2024-0422W Download
Description : 380 feet of 16-inch diameter, 1619 feet of 12-inch diameter, and 20 feet of 10-inch diameter ductile iron water main with nitrile gaskets, and 1688 feet of 16-inch diameter and 512 feet of 12-inch diameter polyvinyl chloride (PVC) water main to connect existing Well #8 to the water treatme...
Chemical addition, Storage, Treatment, Water main, Well, Pump Station 6/18/2024 3/13/2025 4/17/2025 Permitted 2025-0265W Download
Description : WTP
Storage, Water main, Other 7/24/2024 5/23/2025 6/23/2025 Permitted 2025-0371W Download
Description : one 1,000,000-gallon composite elevated storage tank (welded carbon steel tank with a domed/conical roof, supported by a reinforced concrete structure), including an active tank mixing system (submersible mixer assembly); one altitude valve structure, adjacent to the existing water tower, ...

SRF
DWSRF Project NumberIUP Approved DateIUP Request AmountLoan Signed DateLoan Amount
FS-79-24-DWSRF-006 $35,000,000.0008/02/2024$3,921,000.00

Contracts
DWSRF Project NumberContractor NameDNR Award Concur Date
FS-79-24-DWSRF-006 Cahoy Pump Service, Inc.07/01/2024
FS-79-24-DWSRF-006 Con-Struct, Inc.08/28/2024
FS-79-24-DWSRF-006 Caldwell Tanks, Inc.07/01/2025
FS-79-24-DWSRF-006 WRH, Inc.05/19/2025

Environmental Reviews
ER Started DateER SpecialistCategorical ExclusionArmy Corps Permit NeededFlood Plain Permit NeededFNSI/CX Issued for Comment DateFNSI/CX Cleared Comment Period Date
03/13/2024 No No No   
09/21/2023 No No No 03/18/202404/17/2024