Clean Water Act discharge permit · NPDES PA0026743
LANCASTER CITY WWTP, Lancaster, PA: NPDES PA0026743 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
LANCASTER CITY WWTP, held by LANCASTER CITY, holds NPDES permit PA0026743, which discharges to Conestoga River In Watershed 7-J. EPA’s file records it issued October 26, 2005 and expiring October 31, 2010. 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.
Identity
| Facility as filed | LANCASTER CITY WWTP |
|---|---|
| Permittee as filed | LANCASTER CITY |
| NPDES ID | PA0026743 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 26, 2005 |
| Expiration date | October 31, 2010 |
| Address | Lancaster, PA 17603 |
| Receiving water | CONESTOGA RIVER IN WATERSHED 7-J |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Conestoga River (HUC 020503061107) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 18Under a numeric limit
- 18With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 21 | 60 | 47 | February 28, 2018 | 387% over the limit |
| Chlorine, total residual | 3 | 25 | 22 | February 28, 2026 | 219% over the limit |
| Phosphorus, total [as P] | 6 | 11 | 7 | February 28, 2017 | 27% over the limit |
| Coliform, fecal general | 6 | 9 | 7 | July 31, 2022 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 3 | 5 | 3 | August 31, 2006 | 10% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 24 | 10 | 2 | February 28, 2017 | 45% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 5 | 1 | September 30, 2008 | 11% over the limit |
| Nitrogen, Total | 6 | 5 | 1 | September 30, 2019 | 6% over the limit |
| BOD, 5-day, 20 deg. C | 9 | 5 | 0 | ||
| pH | 6 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 4 | 0 | ||
| Phosphorus, Total | 6 | 4 | 0 | ||
| Nitrogen, Kjeldahl Total | 4 | 2 | 0 | ||
| Nitrite Plus Nitrate Total | 4 | 2 | 0 | ||
| Nitrogen, total [as N] | 3 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 3 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 3 | 2 | 0 | ||
| Nitrogen, Ammonia Total | 3 | 2 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 4, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| February 27, 2018 | WW CSO - LTCP implementation schedule milestone missed | ST6 |
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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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 PA0026743 there.
Nearby on the register
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- Every permit record in Lancaster, A to Z
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- Every permit record in Pennsylvania, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.