Clean Water Act discharge permit · NPDES AZC117745

SELMA BESS, AZ: NPDES AZC117745 discharge permit, effluent exceedances, inspections, penalties

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

SELMA BESS, held by The Ryan Company Of Massachusetts, holds NPDES permit AZC117745, which discharges to Picacho Reservoir | 32°51'9.60 /111°28'25.42. EPA’s file records it issued August 31, 2026 and expiring August 28, 2030. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for SELMA BESS: its NPDES ID, its permit type and status, its dates, its address, Arizona, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZC117745.

Identity

Facility as filed	SELMA BESS
Permittee as filed	The Ryan Company Of Massachusetts
NPDES ID	AZC117745
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 31, 2026
Expiration date	August 28, 2030
Issuing agency	ADEQ
Address	AZ 85234
Receiving water	Picacho Reservoir \| 32°51'9.60 /111°28'25.42
Subwatershed	Lower McClellan Wash (HUC 150501001002)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZC117745.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC117745.

Inspections

EPA’s inspection file holds no inspection for NPDES AZC117745.

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 AZC117745.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID AZC117745 there.

SELMA BESS, Arizona: Coverage under a general permit AZC117745, held by The Ryan Company Of Massachusetts; Effective; issued August 31, 2026, term to August 28, 2030, by ADEQ; discharges to Picacho Reservoir | 32°51'9.60 /111°28'25.42.

Other permits held by The Ryan Company Of Massachusetts

PLUTO BESS FACILITY: AZC105592, issued October 2, 2024
VALLEY FARMS BESS: AZC115423, issued April 3, 2026

SELMA BESS among its neighbors

EPA’s permit file holds 21 discharge permits in the Lower McClellan Wash subwatershed (HUC 150501001002), AZC117745 among them.

Other permits in the Lower McClellan Wash subwatershed (HUC 150501001002)

APS COOLIDGE UG FEEDER (WE018454), Unknown: AZC101952, minor permit, discharging to Unnamed ephemeral tributary, permit term to June 18, 2024
BRITTLEBUSH SOLAR PARK, Unknown: AZCN97158, minor permit, permit term to June 30, 2025
CITY OF COOLIDGE - WWTP, Coolidge: AZB096557, minor permit, permit term to June 29, 2027
CROSS CREEK RANCH II / PHASES 1 - 4, Unknown: AZC111473, minor permit, discharging to Unnamed ephemeral tributary, permit term to August 28, 2030
CROSS CREEK RANCH II / PHASES 1 - 4, Unknown: AZCN89155, minor permit, permit term to June 30, 2025
GLOBAL WATER - PICACHO COVE UTILITIES COMPANY, INC. WRF#2, Unknown: AZ0026816, minor permit, permit term to August 14, 2027
HEARTLAND RANCH, Coolidge: AZC117452, minor permit, discharging to Unnamed ephemeral tributary, permit term to August 28, 2030
HEARTLAND UNIT 3, Unknown: AZCN91356, minor permit, permit term to June 30, 2025
HEARTLAND UNIT 3 - (2), Unknown: AZCN91357, minor permit, permit term to June 30, 2025
HERITAGE ENVIRONMENTAL SERVICES LLC, Coolidge: AZMS68273, minor permit, permit term to March 27, 2020

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This page covers the NPDES discharge permit AZC117745 for SELMA BESS, held by The Ryan Company Of Massachusetts, with an Effective status and a Minor discharger class. It lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it records the permit as issued August 31, 2026 and expiring August 28, 2030 in the Lower McClellan Wash subwatershed (HUC 150501001002).