MARRIOTTS RIDGE HIGH AND MOUNT VIEW MIDDLE SCHOOLS

Address

WOODFORD DRIVE AND OLD FREDERICK ROAD
MARRIOTTSVILLE, MD 21104
View on map ↗

County

HOWARD County

Inspections

1 · last Nov 20, 2025

Total Penalties

$0

Registry ID

110064234038

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

7

Water (CWA)
Qtrs Non-Compliant

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant	Violation	Reported	Limit	Exceedance	Period	Status
Coliform, fecal general	DMR, Limited - Numeric Violation	1,221.65 MPN/100mL	2.20	+55,430%	Dec 2025	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	10.73 mg/L	10.00	+7%	Dec 2025	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	684.98 MPN/100mL	2.20	+31,035%	Dec 2025	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	267.33 MPN/100mL	2.20	+12,051%	Dec 2025	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	12.68 mg/L	10.00	+27%	Dec 2025	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	656.30 MPN/100mL	2.20	+29,732%	Dec 2025	Open
Nitrogen, nitrate total [as N]	DMR, Limited - Numeric Violation	12.23 mg/L	10.00	+22%	Dec 2025	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	675.63 MPN/100mL	2.20	+30,610%	Dec 2025	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	653.28 MPN/100mL	2.20	+29,595%	Dec 2025	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	446.85 MPN/100mL	2.20	+20,211%	Dec 2025	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	11.20 mg/L	10.00	+12%	Nov 2025	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	13.90 mg/L	10.00	+39%	Oct 2025	Resolved
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	16.50 mg/L	10.00	+65%	Sep 2025	Resolved
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	0.03 MGD	0.02	+48%	Sep 2025	Open
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	0.02 MGD	0.02	+5%	Aug 2025	Open
Solids, total suspended	DMR, Limited - Numeric Violation	32.00 mg/L	30.00	+7%	May 2025	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	14.40 mg/L	10.00	+44%	May 2025	Resolved
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	10.60 mg/L	10.00	+6%	Apr 2025	Resolved
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	13.70 mg/L	10.00	+37%	Feb 2025	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	3.40 MPN/100mL	2.20	+55%	Dec 2024	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	858.20 MPN/100mL	2.20	+38,909%	Dec 2024	Open
Nitrogen, nitrate total [as N]	DMR, Limited - Numeric Violation	13.33 mg/L	10.00	+33%	Dec 2024	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	13.33 mg/L	10.00	+33%	Dec 2024	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	66.33 MPN/100mL	2.20	+2,915%	Dec 2024	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	21.73 MPN/100mL	2.20	+888%	Dec 2024	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	56.68 MPN/100mL	2.20	+2,476%	Dec 2024	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	4.75 MPN/100mL	2.20	+116%	Dec 2024	Open
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	0.03 MGD	0.02	+31%	Oct 2024	Open
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	0.02 MGD	0.02	+5%	Sep 2024	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	12.00 mg/L	10.00	+20%	Sep 2024	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	11.70 mg/L	10.00	+17%	Feb 2024	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	10.58 MPN/100mL	2.20	+381%	Dec 2023	Open
Nitrogen, nitrite total [as N]	DMR, Limited - Numeric Violation	1.38 mg/L	1.00	+38%	Dec 2023	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	10.58 mg/L	10.00	+6%	Dec 2023	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	12.35 mg/L	10.00	+24%	Dec 2023	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	61.43 MPN/100mL	2.20	+2,692%	Dec 2023	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	7.78 MPN/100mL	2.20	+254%	Dec 2023	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	13.35 MPN/100mL	2.20	+507%	Dec 2023	Open
Nitrogen, nitrate total [as N]	DMR, Limited - Numeric Violation	12.23 mg/L	10.00	+22%	Dec 2023	Open
Nitrogen, nitrite total [as N]	DMR, Limited - Numeric Violation	1.38 mg/L	1.00	+38%	Dec 2023	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	12.60 mg/L	10.00	+26%	Dec 2023	Open
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	0.02 MGD	0.02	+3%	Dec 2023	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	45.95 MPN/100mL	2.20	+1,989%	Dec 2023	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	14.20 mg/L	10.00	+42%	Sep 2023	Open
Solids, total suspended	DMR, Limited - Numeric Violation	34.30 mg/L	30.00	+14%	Sep 2023	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	16.30 mg/L	10.00	+63%	Apr 2023	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	11.30 mg/L	10.00	+13%	Mar 2023	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	11.78 mg/L	10.00	+18%	Dec 2022	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	110.58 MPN/100mL	2.20	+4,926%	Dec 2022	Open
Nitrogen, nitrate total [as N]	DMR, Limited - Numeric Violation	12.10 mg/L	10.00	+21%	Dec 2022	Open

Other facilities in HOWARD County, MD

MOBILE AUTO SALES INC

HIGHLAND, MD

DOWNTOWN PRINTING CO

COLUMBIA, MD

ADVANCED BIONUTRITION CORPORATION

COLUMBIA, MD · Professional, Scientific, and Technical Services

STERICYLE COLUMBIA FACILTY

COLUMBIA, MD

HOWARD COMMUNITY COLLEGE SCI

COLUMBIA, MD · Educational Services

NOVAVAX

COLUMBIA, MD

All facilities in MD →