Clean Water Act discharge permit · NPDES MO0137081

NOROAK WWTF, Kaiser, MO: NPDES MO0137081 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
7Pollutants under a numeric limit
2Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

NOROAK WWTF, held by Gray's at the Lake, holds NPDES permit MO0137081, which discharges to Lake Of The Ozarks. EPA’s file records it issued August 7, 2017 and expiring March 31, 2022.

NOROAK WWTF, Kaiser, Missouri: Individual permit MO0137081, held by Gray's at the Lake; Effective; issued August 7, 2017, term to March 31, 2022; discharges to Lake of the Ozarks.

Nitrogen, ammonia total [as N]: 2 limits, 8 violations of any kind, 2 effluent exceedances, latest September 30, 2021, largest 183% over the limit.
E. coli: 2 limits, 6 violations of any kind, 2 effluent exceedances, latest September 30, 2021, largest 631% over the limit.
Oxygen, dissolved [DO]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
BOD, 5-day, 20 deg. C: 2 limits, 6 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 6 violations of any kind, 0 effluent exceedances.

July 6, 2020: Reporting Violations - Failure to Submit DMRs (ST6).

NOROAK WWTF among its neighbors

EPA’s permit file holds 48 discharge permits in the Grandglaize Creek-Lake of the Ozarks subwatershed (HUC 102901090312), MO0137081 among them. Its county holds 667, 0 of them major permits; MO0137081 is a minor permit.

Other permits in the Grandglaize Creek-Lake of the Ozarks subwatershed (HUC 102901090312)

00815-1006 OSAGE BEACH WALMART, Osage Beach: MORA28473, minor permit, discharging to Tributary to Lake of the Ozarks, permit term to February 7, 2027
AMOS SEPTIC SERVICES WWTF, Camdenton: MO0126543, minor permit, discharging to Tributary to Lake of the Ozarks, permit term to March 31, 2022
AMOS SEPTIC SERVICES WWTF, Camdenton: MOG821082, minor permit, discharging to Lake of the Ozarks, permit term to October 4, 2017
AWMS - NORTH LAKE OZARKS RECREATION AREA, Linn Creek: MOGD00206, minor permit, discharging to Lake of the Ozarks, permit term to June 30, 2024
AWMS - SOUTH LAKE OZARKS RECREATION AREA, Linn Creek: MOGD00207, minor permit, discharging to Lake of the Ozarks, permit term to June 30, 2024
B B MARINA DBA FORMULA BOATS OF MISSOURI, Osage Beach: MOR80C550, minor permit, discharging to Lake of the Ozarks, permit term to November 30, 2022
BENNETT DEVELOPMENT, Linn Creek: MORA29819, minor permit, discharging to Tributary to Lake of the Ozarks, permit term to February 7, 2027
BEULAH CHURCH, C/O RICK MORROW, Camdenton: MORA21638, minor permit, permit term to February 7, 2027
BEULAH CHURCH, C/O RICK MORROW, Camdenton: MORA21673, minor permit, discharging to Tributary to Lake of the Ozarks, permit term to February 7, 2027
BEULAH CHURCH, C/O RICK MORROW, Camdenton: MORA21674, minor permit, discharging to Tributary to Lake of the Ozarks, permit term to February 7, 2027

Identity

Facility as filed	NOROAK WWTF
Permittee as filed	Gray's at the Lake
NPDES ID	MO0137081
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 7, 2017
Expiration date	March 31, 2022
Address	Kaiser, MO 65047
Receiving water	Lake of the Ozarks
Receiving water impaired	303(D) Listed
Subwatershed	Grandglaize Creek-Lake of the Ozarks (HUC 102901090312)
SIC	8641 – Civic And Social Associations

Effluent limits and exceedances

7Pollutants on file
7Under a numeric limit
7With a violation of any kind
2With 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
Nitrogen, ammonia total [as N]	2	8	2	September 30, 2021	183% over the limit
E. coli	2	6	2	September 30, 2021	631% over the limit
Oxygen, dissolved [DO]	2	6	0
BOD, 5-day, 20 deg. C	2	6	0
pH	2	6	0
Solids, total suspended	2	6	0
Flow, in conduit or thru treatment plant	2	6	0

Inspections, violations and enforcement

1Single-event violations

Date	What EPA recorded	Agency
July 6, 2020	Reporting Violations - Failure to Submit DMRs	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES MO0137081.

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 MO0137081.

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

This public-records page covers NPDES permit MO0137081 for the NOROAK WWTF in Kaiser, MO, held by Gray's at the Lake, with a Minor discharger class and an Effective permit status. The facts list 7 pollutants on file, 7 under a numeric limit, 7 with a violation of any kind, and 2 with an effluent exceedance.