Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES MDG490075

AMES PIT SURFACE MINE, Westover, MD: NPDES MDG490075 discharge permit, effluent exceedances, inspections, penalties

AMES PIT SURFACE MINE, held by Ryan Miller, holds NPDES permit MDG490075. EPA’s file records it issued June 3, 2026 and expiring April 30, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for AMES PIT SURFACE MINE: its NPDES ID, its permit type and status, its dates, its address in Westover, Maryland, and 5 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDG490075.

Identity

Facility as filedAMES PIT SURFACE MINE
Permittee as filedRyan Miller
NPDES IDMDG490075
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 3, 2026
Expiration dateApril 30, 2027
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressWestover, MD 21871

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended300
pH200
Flow, in conduit or thru treatment plant200
Temp. difference, summer [deg. F]100
Temperature, summer [deg. F]100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG490075.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MDG490075.

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, MDG490075.

Start the watch

How often?
  • 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 MDG490075 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit MDG490075 for AMES PIT SURFACE MINE in Westover, MD, held by Ryan Miller, with permit status Effective and a Minor Discharger class. The register lists 5 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.