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Holliday Water Co

Water Supply, Holladay, Utah. NPDES permit UT0025429, in force until Mar 31, 2027. Last 12 months: no values over a limit, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form A monthly (6 values)
Renewal application due: Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 4 of 12 reports late

Limits in force (6)

Parameter	Statistic	Limit	Months
pH	daily minimum	≥ 6.5 SU	all year
pH	daily maximum	≤ 9 SU	all year
Chlorine, total residual	maximum weekly average	≤ .011 mg/L	all year
Chlorine, total residual	daily maximum	≤ .019 mg/L	all year
Turbidity, lab, NTU	daily maximum	report only (NTU)	all year
Flow, total	daily maximum	≤ .025 MGD	all year

How strict are these limits?

Chlorine, total residual, maximum weekly average .011 mg/L — stricter than 61% of 44 other minor industrial and other permits nationwide; 5% have the same limit
Chlorine, total residual, daily maximum .019 mg/L — stricter than 59% of 3,547 other minor industrial and other permits nationwide; 38% have the same limit

Cited limits by parameter: Utah's rules and the federal ones.

Same industry: the 11 Water Supply permits in Utah.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/UT0025429 · MCP: https://passage-data.com/mcp