DELAWARE TOWNSHIP MUA

Address

STOCKTON FLEMINGTON ROAD
SERGEANTSVILLE, NJ 08557
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County

HUNTERDON County

Inspections

4 · last Sep 22, 2025

Total Penalties

$0

Registry ID

110009838710

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.

4

Water (CWA)
Qtrs Non-Compliant

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program	Type	Violation Date	Return to Compliance	Status
cwa	Schedule Event unachieved and not reported	May 1, 2022	Jun 1, 2022	Resolved
cwa	Schedule Event unachieved and not reported	May 1, 2021	Jun 1, 2021	Resolved
cwa	Schedule Event achieved late but reported	May 1, 2018	—	Open
cwa	Schedule Event reported late	Jan 1, 2018	—	Open
cwa	Schedule Event achieved late but reported	Jan 1, 2018	—	Open
cwa	Schedule Event achieved late but reported	Jul 1, 2017	—	Open
cwa	Non-Compliance Notice	Dec 19, 2000	—	Open
cwa	Non-Compliance Notice	Oct 30, 1997	—	Open
cwa	Non-Compliance Notice	Mar 5, 1997	—	Open

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
Oxygen, dissolved [DO]	DMR, Limited - Numeric Violation	4.50 mg/L	6.00	+25%	May 2024	Open
Oxygen, dissolved [DO]	DMR, Limited - Numeric Violation	4.50 mg/L	5.00	+10%	May 2024	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	9.40 mg/L	7.00	+34%	Jan 2024	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	9.08 kg/d	0.98	+823%	Oct 2023	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	7.70 mg/L	4.00	+93%	Oct 2023	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	3.90 mg/L	2.50	+56%	Oct 2023	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	4.58 kg/d	0.62	+645%	Oct 2023	Open
Phosphorus, total [as P]	DMR, Limited - Numeric Violation	0.24 kg/d	0.19	+28%	Oct 2023	Open
Phosphorus, total [as P]	DMR, Limited - Numeric Violation	0.16 kg/d	0.13	+20%	Oct 2023	Open
Phosphorus, total [as P]	DMR, Limited - Overdue	0.21 kg/d	0.19	+12%	May 2022	Resolved
Phosphorus, total [as P]	DMR, Limited - Numeric Violation	0.21 kg/d	0.19	+12%	May 2022	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	850.00 MPN/100mL	200.00	+325%	Nov 2021	Open
Phosphorus, total [as P]	DMR, Limited - Numeric Violation	0.66 mg/L	0.50	+32%	Jul 2021	Open
Solids, total suspended	DMR, Limited - Numeric Violation	660,000.00 mg/L	850,000.00	+22%	Jul 2021	Open
Phosphorus, total [as P]	DMR, Limited - Numeric Violation	0.51 mg/L	0.50	+2%	Jun 2021	Open
Phosphorus, total [as P]	DMR, Limited - Numeric Violation	0.52 mg/L	0.50	+3%	Jun 2020	Open
Phosphorus, total [as P]	DMR, Limited - Numeric Violation	0.57 mg/L	0.50	+14%	Jun 2019	Open
Phosphorus, total [as P]	DMR, Limited - Numeric Violation	0.54 mg/L	0.50	+8%	Sep 2018	Open
Phosphorus, total [as P]	DMR, Limited - Numeric Violation	0.51 mg/L	0.50	+2%	Jun 2018	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	10.60 mg/L	7.00	+51%	Jan 2018	Open

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