TWILIGHT HILLS

Address

3900 PONCA RD
OMAHA, NE 68112
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County

DOUGLAS County

Inspections

2 · last Oct 21, 2025

Total Penalties

$0

Registry ID

110010156801

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
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	48.10 mg/L	39.88	+21%	Sep 2025	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	48.10 mg/L	19.88	+142%	Sep 2025	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.91 kg/d	0.34	+168%	Sep 2025	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.91 kg/d	0.68	+34%	Sep 2025	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	47.90 mg/L	19.88	+141%	Jun 2025	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	47.90 mg/L	39.88	+20%	Jun 2025	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.78 kg/d	0.34	+129%	Jun 2025	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.78 kg/d	0.68	+15%	Jun 2025	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	41.50 mg/L	19.88	+109%	Sep 2024	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	1.18 kg/d	0.34	+247%	Sep 2024	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	1.18 kg/d	0.68	+74%	Sep 2024	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	41.50 mg/L	39.88	+4%	Sep 2024	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	31.40 mg/L	19.88	+58%	Jun 2024	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.64 kg/d	0.34	+88%	Jun 2024	Resolved
E. coli, MTEC-MF	DMR, Limited - Numeric Violation	387.30 MPN/100mL	298.00	+30%	Jun 2024	Open
E. coli, MTEC-MF	DMR, Limited - Numeric Violation	387.30 MPN/100mL	126.00	+207%	Jun 2024	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.99 kg/d	0.44	+125%	Mar 2024	Resolved
BOD, carbonaceous [5 day, 20 C]	DMR, Limited - Numeric Violation	28.10 mg/L	25.00	+12%	Mar 2024	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.99 kg/d	0.87	+14%	Mar 2024	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	38.60 mg/L	25.57	+51%	Mar 2024	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.50 kg/d	0.34	+47%	Sep 2023	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	25.70 mg/L	19.88	+29%	Sep 2023	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.65 kg/d	0.34	+91%	Jun 2023	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	43.10 mg/L	19.88	+117%	Jun 2023	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	43.10 mg/L	39.88	+8%	Jun 2023	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.01 kg/d	0.00	+178%	Sep 2018	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.01 kg/d	0.00	+289%	Sep 2017	Open

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