# Toho Water Authority Bonfire #SS-27-005

Toho Water Authority seeks a 5500sc single-channel ammonia monochloramine analyzer

**Posted:** November 03, 2026
**Respond By:** November 18, 2026
**Identifier:** SS-27-005
**NAICS:** 334516

Toho Water Authority is seeking a single-channel analyzer for ammonia and monochloramine measurement.
- **Buyer:** Toho Water Authority, Kissimmee, Osceola County, Florida.
- **Requested product:** One 5500sc Ammonia Monochloramine Analyzer, 1 Channel (model/part number 5500sc); the notice does not state a quantity, so one unit is inferred from the request description.
- **OEM:** **Hach** is identified as the likely manufacturer based on the model designation, but the notice does not explicitly name the OEM.
- **Notable requirement:** The notice identifies the procurement as sole source. No installation, maintenance, or other services are specified.

### Description

The solicitation is for a 5500sc Ammonia Monochloramine Analyzer, 1 Channel. The source identifies the notice as a sole source purchase and includes an attached Notice of Intent to Sole Source. Questions and responses are due November 17, 2026, at 2:00 PM EST, and the solicitation closes at that time.

[View original listing](https://tohowater.bonfirehub.com/opportunities/261370)
