Clean Water Act discharge permit · NPDES MO0118788

ARROWRIDGE SUBDIVISION WWTF, Roach, MO: NPDES MO0118788 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
3Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

ARROWRIDGE SUBDIVISION WWTF, held by Arrow Ridge HOA, holds NPDES permit MO0118788, which discharges to Tributary To Lake Of The Ozarks. EPA’s file records it issued January 1, 2017 and expiring December 31, 2021.

ARROWRIDGE SUBDIVISION WWTF, Roach, Missouri: Individual permit MO0118788, held by Arrow Ridge HOA; Administratively continued (past its expiration date and still in force until reissued); issued January 1, 2017, term to December 31, 2021; discharges to Tributary to Lake of the Ozarks.

Chlorine, total residual: 4 limits, 18 violations of any kind, 14 effluent exceedances, latest December 31, 2016, largest 1,400% over the limit.
Nitrogen, ammonia total [as N]: 4 limits, 10 violations of any kind, 10 effluent exceedances, latest September 30, 2025, largest 467% over the limit.
E. coli: 4 limits, 7 violations of any kind, 7 effluent exceedances, latest September 30, 2023, largest 99,999% over the limit.
BOD, 5-day, 20 deg. C: 2 limits, 12 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 12 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 2 limits, 12 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 12 violations of any kind, 0 effluent exceedances.
Coliform, fecal general: 0 limits, 4 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 4 limits, 0 violations of any kind, 0 effluent exceedances.

ARROWRIDGE SUBDIVISION WWTF among its neighbors

EPA’s permit file holds 28 discharge permits in the Bollinger Creek-Lake of the Ozarks subwatershed (HUC 102901090206), MO0118788 among them. Its county holds 667, 0 of them major permits; MO0118788 is a minor permit.

Other permits in the Bollinger Creek-Lake of the Ozarks subwatershed (HUC 102901090206)

APACHE POINT-LYREWOOD WWTP, Climax Springs: MOGD00254, minor permit, discharging to Lake of the Ozarks, permit term to June 30, 2024
BRIARWOOD ESTATES LOTS 5 AND 6 WWTP, Laurie: MOGD00026, minor permit, discharging to Lake of the Ozarks, permit term to June 30, 2024
BULLOCK SEPTIC PUMPING, LLC, Gravois Mills: MOG821093, minor permit, discharging to Lake of the Ozarks, permit term to October 4, 2012
CEDAR VIEW ESTATES, Climax Springs: MO0119563, minor permit, discharging to Lake of the Ozarks, permit term to April 30, 2011
CEDAR VIEW ESTATES WWTF, Climax Springs: MOGD00131, minor permit, discharging to Lake of the Ozarks, permit term to June 30, 2024
DARLA JO GOODWIN TRUST 2-91, Climax Springs: MO0133345, minor permit, discharging to Lake of the Ozarks, permit term to March 19, 2014
DARLA JO GOODWIN TRUST WWTF, Climax Springs: MOGD00211, minor permit, discharging to Lake of the Ozarks, permit term to June 30, 2024
EAGLE ROCK SUBDIVISION WWTF, Laurie: MOGD00260, minor permit, discharging to Tributary to Lake of the Ozarks, permit term to June 30, 2024
EAGLE VIEW LOTS 3 AND 4 ASSOC, INC. WWTF, Gravois Mills: MO0136085, minor permit, discharging to Lake of the Ozarks, permit term to December 31, 2021
EASTVIEW SHORES LOTS 9, 10, AND 11 WWTF, Roach: MO0132543, minor permit, discharging to Lake of the Ozarks, permit term to December 31, 2021

Identity

Facility as filed	ARROWRIDGE SUBDIVISION WWTF
Permittee as filed	Arrow Ridge HOA
NPDES ID	MO0118788
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	January 1, 2017
Expiration date	December 31, 2021
Address	Roach, MO 65787
Receiving water	Tributary to Lake of the Ozarks
Subwatershed	Bollinger Creek-Lake of the Ozarks (HUC 102901090206)
SIC	8641 – Civic And Social Associations

Effluent limits and exceedances

9Pollutants on file
8Under a numeric limit
8With 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
Chlorine, total residual	4	18	14	December 31, 2016	1,400% over the limit
Nitrogen, ammonia total [as N]	4	10	10	September 30, 2025	467% over the limit
E. coli	4	7	7	September 30, 2023	99,999% over the limit
BOD, 5-day, 20 deg. C	2	12	0
pH	2	12	0
Solids, total suspended	2	12	0
Flow, in conduit or thru treatment plant	2	12	0
Coliform, fecal general	0	4	0
Oxygen, dissolved [DO]	4	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0118788.

Inspections

EPA’s inspection file holds no inspection for NPDES MO0118788.

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 MO0118788.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MO0118788.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit MO0118788 for the ARROWRIDGE SUBDIVISION WWTF in Roach, MO, held by Arrow Ridge HOA, which discharges to Tributary To Lake Of The Ozarks within the Bollinger Creek-Lake of the Ozarks subwatershed (HUC 102901090206). The permit is listed as administratively continued, with a Minor Discharger class of 8, 3 pollutants under a numeric limit, and 3 pollutants with an effluent exceedance.