Clean Water Act discharge permit · NPDES IN0064945

HAMILTON COUNTY REGIONAL UTILITY DISTRICT, Arcadia, IN: NPDES IN0064945 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
9Pollutants under a numeric limit
1Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

HAMILTON COUNTY REGIONAL UTILITY DISTRICT, held by Hamilton County Regional Utility District, holds NPDES permit IN0064945. EPA’s file records it issued June 13, 2025 and expiring June 30, 2030.

HAMILTON COUNTY REGIONAL UTILITY DISTRICT, Arcadia, Indiana: Individual permit IN0064945, held by Hamilton County Regional Utility District; Effective; issued June 13, 2025, term to June 30, 2030, by IDEM; Sewage Treatment Facilities.

Solids, total suspended: 4 limits, 1 violation of any kind, 1 effluent exceedance, latest December 31, 2025, largest 41% over the limit.
Nitrogen, ammonia total [as N]: 8 limits, 0 violations of any kind, 0 effluent exceedances.
BOD, carbonaceous [5 day, 20 C]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
E. coli, colony forming units [CFU]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Flow, total: 1 limit, 0 violations of any kind, 0 effluent exceedances.

May 28, 2026: Evaluation (S).

HAMILTON COUNTY REGIONAL UTILITY DISTRICT among its neighbors

EPA’s permit file holds 23 discharge permits in the Hinkle Creek subwatershed (HUC 051202010609), IN0064945 among them. Its county holds 116, 4 of them major permits; IN0064945 is a minor permit.

Other permits in the Hinkle Creek subwatershed (HUC 051202010609)

199TH & MONON, Westfield: INRA18054, minor permit, permit term to April 27, 2031
BAKERS CORNER WASTEWATER TREATMENT PLANT, Arcadia: INRA12227, minor permit, permit term to August 20, 2028
CHATHAM HILLS SECTION 7B, Westfield: INRA13739, minor permit, permit term to April 24, 2029
CHATHAM MARINA DISTRICT, Westfield: INRA18194, minor permit, permit term to May 19, 2031
CHATHAM VILLAGE APARTMENTS, Westfield: INRA12224, minor permit, permit term to July 25, 2028
CHATHAM VILLAGES, Westfield: INRA07575, minor permit, permit term to May 17, 2026
CHATHAM VILLAGES, Westfield: INRA08672, minor permit, permit term to November 4, 2026
CHATHAM VILLAGES SECTION 3, Westfield: INRA12309, minor permit, permit term to August 7, 2028
CHATHAM VILLAGES SECTION 4, Westfield: INRA13740, minor permit, permit term to April 24, 2029
COMMUNITY HEALTH NETWORK WESTFIELD HOSPITAL, Westfield: INRA15184, minor permit, permit term to December 19, 2029

Identity

Facility as filed	HAMILTON COUNTY REGIONAL UTILITY DISTRICT
Permittee as filed	Hamilton County Regional Utility District
NPDES ID	IN0064945
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	June 13, 2025
Expiration date	June 30, 2030
Issuing agency	IDEM
Address	Arcadia, IN 46030
Subwatershed	Hinkle Creek (HUC 051202010609)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

9Pollutants on file
9Under a numeric limit
1With a violation of any kind
1With 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
Solids, total suspended	4	1	1	December 31, 2025	41% over the limit
Nitrogen, ammonia total [as N]	8	0	0
BOD, carbonaceous [5 day, 20 C]	4	0	0
pH	2	0	0
Phosphorus, total [as P]	2	0	0
E. coli, colony forming units [CFU]	2	0	0
Oxygen, dissolved [DO]	1	0	0
Flow, in conduit or thru treatment plant	1	0	0
Flow, total	1	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0064945.

Inspections

Date	What EPA recorded	Agency
May 28, 2026	Evaluation	S

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 IN0064945.

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

This public-records page covers Clean Water Act NPDES permit IN0064945, held by Hamilton County Regional Utility District in Arcadia, IN, which EPA's file lists as effective, issued June 13, 2025, and expiring June 30, 2030. The page reports 9 pollutants on file, 9 of them under a numeric limit, and 1 pollutant with an effluent exceedance. The facility is classified as a minor discharger in Hinkle Creek (HUC 051202010609).