Lexington Fayette Urban County Government - Landfill — NPDES permit KY0092100: limits, due date and EPA's record

Refuse Systems, Lexington, Kentucky. NPDES permit KY0092100, in force until Mar 31, 2030. Last 12 months: over a limit 4 times (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period ending	Outfall	Parameter	Reported	Limit	Over by
November 2025	005	Nitrogen, ammonia total [as N], monthly average	4.61 mg/L	≤ 4.22 mg/L	9%
February 2026	003	BOD, carbonaceous [5 day, 20 C], monthly average	42.2 mg/L	≤ 20 mg/L	111%
February 2026	003	BOD, carbonaceous [5 day, 20 C], maximum weekly average	42.2 mg/L	≤ 30 mg/L	41%
February 2026	003	Oxygen, dissolved [DO], instantaneous minimum	.75 mg/L	≥ 7 mg/L	89%

Limits in force (73)

Parameter	Statistic	Limit	Months	Outfall
pH	minimum	≥ 6 SU	all year	001
pH	daily maximum	≤ 9 SU	all year	001
Solids, total suspended	monthly average	report only (mg/L)	all year	001
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	001
Iron, total recoverable	monthly average	report only (mg/L)	all year	001
Iron, total recoverable	daily maximum	report only (mg/L)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
pH	minimum	≥ 6 SU	all year	002
pH	daily maximum	≤ 9 SU	all year	002
Solids, total suspended	monthly average	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	002
Iron, total recoverable	monthly average	report only (mg/L)	all year	002
Iron, total recoverable	daily maximum	≤ 4 mg/L	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Oxygen, dissolved [DO]	instantaneous minimum	≥ 7 mg/L	all year	003
pH	minimum	≥ 6 SU	all year	003
pH	daily maximum	≤ 9 SU	all year	003
Solids, total suspended	monthly average	report only (mg/L)	all year	003
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	003
Nitrogen, ammonia total [as N]	monthly average	≤ 4 mg/L	May–Oct	003
Nitrogen, ammonia total [as N]	monthly average	≤ 10 mg/L	Jan, Feb, Mar, Apr, Nov, Dec	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 6 mg/L	May–Oct	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 15 mg/L	Jan, Feb, Mar, Apr, Nov, Dec	003
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year	003
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	003
Iron, total recoverable	monthly average	report only (mg/L)	all year	003
Iron, total recoverable	daily maximum	report only (mg/L)	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 20 mg/L	all year	003
BOD, carbonaceous [5 day, 20 C]	maximum weekly average	≤ 30 mg/L	all year	003
pH	minimum	≥ 6 SU	all year	004
pH	daily maximum	≤ 9 SU	all year	004
Solids, total suspended	monthly average	report only (mg/L)	all year	004
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	004
Iron, total recoverable	monthly average	report only (mg/L)	all year	004
Iron, total recoverable	daily maximum	report only (mg/L)	all year	004
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	004
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	004
BOD, 5-day, 20 deg. C	monthly average	≤ 37 mg/L	all year	005
BOD, 5-day, 20 deg. C	daily maximum	≤ 140 mg/L	all year	005
pH	minimum	≥ 6 SU	all year	005
pH	daily maximum	≤ 9 SU	all year	005
Solids, total suspended	monthly average	≤ 27 mg/L	all year	005
Solids, total suspended	daily maximum	≤ 88 mg/L	all year	005
Nitrogen, ammonia total [as N]	monthly average	≤ 4.22 mg/L	all year	005
Nitrogen, ammonia total [as N]	daily maximum	≤ 10 mg/L	all year	005
Hardness, total [as CaCO3]	monthly average	report only (mg/L)	all year	005
Hardness, total [as CaCO3]	daily maximum	report only (mg/L)	all year	005
Iron, total recoverable	monthly average	≤ 2.9 mg/L	all year	005
Iron, total recoverable	daily maximum	≤ 4 mg/L	all year	005
Zinc, total [as Zn]	monthly average	≤ .11 mg/L	all year	005
Zinc, total [as Zn]	daily maximum	≤ .2 mg/L	all year	005
Phenol	monthly average	≤ .015 mg/L	all year	005
Phenol	daily maximum	≤ .026 mg/L	all year	005
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	005
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	005
p-Cresol	monthly average	≤ .014 mg/L	all year	005
p-Cresol	daily maximum	≤ .025 mg/L	all year	005
Benzoic acids, total	monthly average	≤ .071 mg/L	all year	005
Benzoic acids, total	daily maximum	≤ .12 mg/L	all year	005
.alpha.-Terpineol	monthly average	≤ .016 mg/L	all year	005
.alpha.-Terpineol	daily maximum	≤ .033 mg/L	all year	005
pH	minimum	≥ 6 SU	all year	006
pH	daily maximum	≤ 9 SU	all year	006
Solids, total suspended	monthly average	report only (mg/L)	all year	006
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	006
Iron, total recoverable	monthly average	report only (mg/L)	all year	006
Iron, total recoverable	daily maximum	report only (mg/L)	all year	006
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	006
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	006

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/KY0092100 · MCP: https://passage-data.com/mcp