Clean Water Act discharge permit · NPDES CTUIC0346
HILLTOP INN & SUITES, North Stonington, CT: NPDES CTUIC0346 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 17Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
HILLTOP INN & SUITES, held by Hillstop Inn Suites, LLC, holds NPDES permit CTUIC0346. EPA’s file records it issued June 14, 2021 and expiring June 30, 2031. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | HILLTOP INN & SUITES |
|---|---|
| Permittee as filed | Hillstop Inn Suites, LLC |
| NPDES ID | CTUIC0346 |
| Permit status | Effective |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 14, 2021 |
| Expiration date | June 30, 2031 |
| Issuing agency | CT DEEP |
| Address | North Stonington, CT 06359 |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 17Pollutants on file
- 17Under a numeric limit
- 17With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| pH | 7 | 253 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 7 | 253 | 0 | ||
| Nitrogen, total [as N] | 6 | 194 | 0 | ||
| Nitrogen, ammonia total [as N] | 6 | 194 | 0 | ||
| Nitrogen, nitrite total [as N] | 6 | 194 | 0 | ||
| Nitrogen, nitrate total [as N] | 6 | 194 | 0 | ||
| Coliform, fecal general | 6 | 194 | 0 | ||
| BOD, 5-day, 20 deg. C | 3 | 177 | 0 | ||
| Solids, total suspended | 3 | 177 | 0 | ||
| Flow rate | 2 | 118 | 0 | ||
| Turbidity | 2 | 118 | 0 | ||
| Alkalinity, total [as CaCO3] | 2 | 118 | 0 | ||
| Phosphorus, dissolved | 4 | 76 | 0 | ||
| Depth to water level ft below landsurface | 4 | 76 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 59 | 0 | ||
| pH, maximum | 1 | 59 | 0 | ||
| pH, minimum | 1 | 59 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CTUIC0346.
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES CTUIC0346.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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, CTUIC0346.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID CTUIC0346 there.
Nearby on the register
- Discharge permits in North Stonington
- Every permit record in North Stonington, A to Z
- Discharge permits in Connecticut
- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.