Clean Water Act discharge permit · NPDES OH0112127
BERLIN WWTP, Millersburg, OH: NPDES OH0112127 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 40Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
BERLIN WWTP, held by Berlin WWTP, holds NPDES permit OH0112127. EPA’s file records it issued October 8, 2024 and expiring May 31, 2026. 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 | BERLIN WWTP |
|---|---|
| Permittee as filed | Berlin WWTP |
| NPDES ID | OH0112127 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 8, 2024 |
| Expiration date | May 31, 2026 |
| Address | Millersburg, OH 44654 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Headwaters Doughty Creek (HUC 050400030802) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 43Pollutants on file
- 40Under a numeric limit
- 11With a violation of any kind
- 10With 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 |
|---|---|---|---|---|---|
| Copper, total recoverable | 6 | 101 | 101 | June 30, 2025 | 889% over the limit |
| Solids, total suspended | 6 | 56 | 56 | August 31, 2025 | 9,511% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 44 | 44 | July 31, 2026 | 472% over the limit |
| E. coli, MTEC-MF | 6 | 31 | 29 | July 31, 2026 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 2 | 17 | 17 | July 31, 2026 | 26% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 16 | 16 | July 31, 2026 | 967% over the limit |
| pH | 8 | 3 | 3 | January 31, 2009 | |
| Mercury, total low level | 2 | 3 | 3 | December 31, 2016 | 105% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 2 | 2 | July 31, 2009 | 99,999% over the limit |
| Oil & Grease | 0 | 1 | 1 | April 30, 2001 | 10% over the limit |
| Chlorine, total residual | 0 | 3 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 8 | 0 | 0 | ||
| Temperature, water deg. centigrade | 6 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 6 | 0 | 0 | ||
| Phosphorus, total [as P] | 6 | 0 | 0 | ||
| Cadmium, total recoverable | 6 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 4 | 0 | 0 | ||
| Biosolids weight indluding admixtures | 4 | 0 | 0 | ||
| Nitrogen, ammonia in bottom deposits | 2 | 0 | 0 | ||
| Phosphorous, total, in bottom deposits | 2 | 0 | 0 | ||
| Potassium, in bottom deposits | 2 | 0 | 0 | ||
| Nickel, total recoverable | 2 | 0 | 0 | ||
| Zinc, total recoverable | 2 | 0 | 0 | ||
| Lead, total recoverable | 2 | 0 | 0 | ||
| Chromium, total recoverable | 2 | 0 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Sludge weight, dry | 2 | 0 | 0 | ||
| Solids, total dissolved- 180 deg. C | 2 | 0 | 0 | ||
| Solids, total, percent | 2 | 0 | 0 | ||
| Overflows | 2 | 0 | 0 | ||
| Sludge waste from secondary clarifiers | 2 | 0 | 0 | ||
| Oil and grease, hexane extr method | 1 | 0 | 0 | ||
| Arsenic, dry weight | 1 | 0 | 0 | ||
| Cadmium, in bottom deposits [dry wgt] | 1 | 0 | 0 | ||
| Copper in bottom deposits [dry wgt] | 1 | 0 | 0 | ||
| Lead, total dry weight [as Pb] | 1 | 0 | 0 | ||
| Nickel, tot in bottom deposits [dry wgt] | 1 | 0 | 0 | ||
| Zinc in bottom deposits [dry wgt] | 1 | 0 | 0 | ||
| Selenium, dry weight | 1 | 0 | 0 | ||
| Fecal coliform in sludge, CFU/gram | 1 | 0 | 0 | ||
| Mercury, tot in bot deposits [dry wgt] | 1 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 1 | 0 | 0 |
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 OH0112127.
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.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.