Clean Water Act discharge permit · NPDES ILL051489

DIAMOND WWTP, VILLAGE OF, Diamond, IL: NPDES ILL051489 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

DIAMOND WWTP, VILLAGE OF, held by DIAMOND WWTP, holds NPDES permit ILL051489. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025.

DIAMOND WWTP, VILLAGE OF, Diamond, Illinois: Associated permit record ILL051489, held by DIAMOND WWTP; Biosolids; Administratively continued (past its expiration date and still in force until reissued); issued January 1, 2021, term to December 31, 2025.

Arsenic, dry weight: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Selenium, dry weight: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Copper, dry weight: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Cadmium, dry weight: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Zinc, sludge, total, dry weight [as Zn]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Lead, sludge, total, dry weight [as Pb]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Nickel, sludge, total, dry weight [as Ni]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Mercury, sludge, total, dry weight [as Hg]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Molybdenum, sludge, total, dry weight [as Mo]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
Ann. amt sludge disposed by other method: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Annual amt of sludge incinerated: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Annual sludge production, total: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Annual amount of sludge land applied: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Annual amt. sludge disposed surface unit: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Annual amt sludge disposed in landfill: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Annual amt sludge transported interstate: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Pollutant table from 503.13: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Level of pathogen requirements achieved: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Description of pathogen option used: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Vector attraction reduction alternative used: 0 limits, 2 violations of any kind, 0 effluent exceedances.

Illinois holds 270 Biosolids coverages of this permit type in EPA’s file; 0 were issued before ILL051489.

Coverages issued nearest ILL051489

January 1, 2021: METROPOLITAN WRDGC-KIRIE, Des Plaines, ILL047741, held by METRO WATER RECLAMATION DISTRICT OF GREATER CHICAGO
January 1, 2021: ST. CLAIR TOWNSHIP LINCOLNSHIRE STP, Belleville, ILL048232, held by ST. CLAIR TOWNSHIP
January 1, 2021: ROMEOVILLE WASTEWATER TREATMENT FACILITY, Romeoville, ILL048526, held by ROMEOVILLE, VILLAGE OF
January 1, 2021: ROSELLE-J BOTTERMAN STP, Roselle, ILL048721, held by ROSELLE, VILLAGE OF
January 1, 2021: OLNEY STP, CITY OF, Olney, ILL048755, held by OLNEY, CITY OF
January 1, 2021: CRYSTAL LAKE STP #3, CITY OF, Crystal Lake, ILL053457, held by CRYSTAL LAKE, CITY OF
January 1, 2021: BRAIDWOOD STP, CITY OF, Braidwood, ILL054992, held by BRAIDWOOD STP
January 1, 2021: MINOOKA STP, VILLAGE OF, Minooka, ILL055913, held by MINOOKA, VILLAGE OF
January 1, 2021: IL AMERICAN WTR CO-OAK VALLEY, Lockport, ILL055981, held by ILLINOIS AMERICAN WATER COMPANY
January 1, 2021: UNITED PENTECOSTAL CHURCH CAMPGROUND, Wapella, ILL059331, held by Illinois District United Pentecostal Church Campground

DIAMOND WWTP, VILLAGE OF among its neighbors

EPA’s permit file holds 30 discharge permits in the Claypool Ditch subwatershed (HUC 071200050502), ILL051489 among them. Its county holds 70, 4 of them major permits; ILL051489 is a minor permit.

Other permits in the Claypool Ditch subwatershed (HUC 071200050502)

988 N DIVISION, Braidwood: ILR10ZDGT, minor permit, permit term to August 31, 2028
AUTOZONE STORE #10644, Diamond: ILR10ZGJ8, minor permit, permit term to August 31, 2028
BRAIDWOOD COMMERCIAL SUB, Braidwood: ILR10ZDIO, minor permit, permit term to August 31, 2028
BRAIDWOOD SELF STORAGE, Braidwood: ILR10ZGTS, minor permit, permit term to August 31, 2028
BRAIDWOOD STP, CITY OF, Braidwood: ILL054992, minor permit, permit term to December 31, 2025
CAMPING WORLD BRAIDWOOD, Braidwood: ILR10ZGCX, minor permit, permit term to August 31, 2028
CARBON HILL STP, Carbon Hill: IL0080088, minor permit, discharging to CLAYPOOL DITCH, permit term to August 31, 2026
CASEY'S DIAMOND, IL, Diamond: ILR10ZGI9, minor permit, permit term to August 31, 2028
COAL CITY STP, VILLAGE OF, Coal City: IL0028151, minor permit, discharging to UNNAMED DITCH TRIB TO CLAYPOOL DTCH, permit term to June 30, 2022
COMED TSS 149 WILMINGTON SUBSTATION EXPANSION PROJECT, Wilmington: ILR10ZGLF, minor permit, permit term to August 31, 2028

Identity

Facility as filed	DIAMOND WWTP, VILLAGE OF
Permittee as filed	DIAMOND WWTP
NPDES ID	ILL051489
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Associated permit record
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Biosolids
Issued	January 1, 2021
Expiration date	December 31, 2025
Address	Diamond, IL 60416
Subwatershed	Claypool Ditch (HUC 071200050502)

Effluent limits and exceedances

20Pollutants on file
0Under a numeric limit
20With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Arsenic, dry weight	0	6	0
Selenium, dry weight	0	6	0
Copper, dry weight	0	6	0
Cadmium, dry weight	0	6	0
Zinc, sludge, total, dry weight [as Zn]	0	6	0
Lead, sludge, total, dry weight [as Pb]	0	6	0
Nickel, sludge, total, dry weight [as Ni]	0	6	0
Mercury, sludge, total, dry weight [as Hg]	0	6	0
Molybdenum, sludge, total, dry weight [as Mo]	0	4	0
Ann. amt sludge disposed by other method	0	2	0
Annual amt of sludge incinerated	0	2	0
Annual sludge production, total	0	2	0
Annual amount of sludge land applied	0	2	0
Annual amt. sludge disposed surface unit	0	2	0
Annual amt sludge disposed in landfill	0	2	0
Annual amt sludge transported interstate	0	2	0
Pollutant table from 503.13	0	2	0
Level of pathogen requirements achieved	0	2	0
Description of pathogen option used	0	2	0
Vector attraction reduction alternative used	0	2	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ILL051489.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILL051489.

Inspections

EPA’s inspection file holds no inspection for NPDES ILL051489.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES ILL051489.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

20.0% of the 5 biosolids permits in Grundy County were issued before DIAMOND WWTP, VILLAGE OF. The Claypool Ditch subwatershed holds 30 NPDES permits, including this permit.