Clean Water Act discharge permit · NPDES ME0100471

OLD TOWN WWTF, Old Town, ME: NPDES ME0100471 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
18Pollutants under a numeric limit
3Pollutants with an effluent exceedance

OLD TOWN WWTF, held by OLD TOWN CITY OF, holds NPDES permit ME0100471, which discharges to Penobscot River. EPA’s file records it issued July 1, 2016 and expiring June 30, 2021. 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.

Identity

Facility as filed	OLD TOWN WWTF
Permittee as filed	OLD TOWN CITY OF
NPDES ID	ME0100471
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	July 1, 2016
Expiration date	June 30, 2021
Address	Old Town, ME 04468
Receiving water	Penobscot River
Receiving water impaired	303(D) Listed
Subwatershed	Marsh Island-Penobscot River (HUC 010200050603)

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

Effluent limits and exceedances

21Pollutants on file
18Under a numeric limit
17With a violation of any kind
3With 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
E. coli, thermotol, MF, MTEC	4	25	2	May 31, 2024	99,999% over the limit
Lead, total [as Pb]	0	2	2	October 31, 2011	25% over the limit
Solids, total suspended	28	119	1	December 31, 2004	56% over the limit
BOD, 5-day, 20 deg. C	28	115	0
Flow, in conduit or thru treatment plant	6	56	0
Phosphorus, total [as P]	0	48	0
pH	2	32	0
BOD, 5-day, percent removal	1	29	0
Chlorine, total residual	3	28	0
Solids, suspended percent removal	1	28	0
Solids, settleable	1	16	0
Surface loading rate	0	13	0
Overflows	1	12	0
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia	2	1	0
Noel Statre 10Day Chronic Salvel. Salmonid	2	1	0
NOAEL Static 48Hr Acute Ceriodaphnia dubia	2	1	0
NOAEL Static 48Hr Acute Salvel. Salmonid	2	1	0
Priority Pollutants	2	0	0
Analytical Chemistry	2	0	0
Mercury, total [as Hg]	2	0	0
Flow rate	1	0	0

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 ME0100471.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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

Watch this permit

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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 ME0100471 there.

Nearby on the register

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

This public-records page covers NPDES permit ME0100471 for the OLD TOWN WWTF in Old Town, ME, held by OLD TOWN CITY OF and discharging to the Penobscot River, with a status of administratively continued and an expiration date of June 30, 2021. The page lists 21 pollutants on file, 18 of them under a numeric limit, 17 with a violation of any kind, and 3 with an effluent exceedance.