Clean Water Act discharge permit · NPDES MDG766837
HADLEY FARMS HOA, Gaithersburg, MD: NPDES MDG766837 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
HADLEY FARMS HOA holds NPDES permit MDG766837, which discharges to Cabin Branch, Great Seneca Creek. EPA’s file records it issued March 8, 2024 and expiring November 30, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for HADLEY FARMS HOA: its NPDES ID, its permit type and status, its dates, its address in Gaithersburg, Maryland, its receiving water, and 10 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDG766837.
Identity
| Facility as filed | HADLEY FARMS HOA |
|---|---|
| Permittee as filed | HADLEY FARMS HOA |
| NPDES ID | MDG766837 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 8, 2024 |
| Expiration date | November 30, 2027 |
| Issuing agency | MARYLAND DEPARTMENT OF THE ENVIRONMENT |
| Address | Gaithersburg, MD 20855 |
| Receiving water | CABIN BRANCH, GREAT SENECA CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Great Seneca Creek (HUC 020700080802) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 0With 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 |
|---|---|---|---|---|---|
| Oxygen demand, dissolved | 8 | 0 | 0 | ||
| pH | 8 | 0 | 0 | ||
| Flow | 8 | 0 | 0 | ||
| Copper, total [as Cu] | 4 | 0 | 0 | ||
| Silver, total [as Ag] | 4 | 0 | 0 | ||
| Chlorine, total residual | 4 | 0 | 0 | ||
| Cyanuric acid | 4 | 0 | 0 | ||
| Poly[hexamethylenebiguanide] hydrochloride | 4 | 0 | 0 | ||
| Bromine, reported as the element | 4 | 0 | 0 | ||
| Turbidity | 2 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG766837.
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 MDG766837.
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, MDG766837.
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 MDG766837 there.
Nearby on the register
- Discharge permits in Gaithersburg
- Every permit record in Gaithersburg, A to Z
- Discharge permits in Maryland
- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.