Clean Water Act discharge permit · NPDES TX0062162
CITY OF MOUNT CALM WWTP, Mount Calm, TX: NPDES TX0062162 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 36Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
CITY OF MOUNT CALM WWTP, held by MOUNT CALM, CITY OF, holds NPDES permit TX0062162, which discharges to Unnamed Trib Navasota River,Lake Me. EPA’s file records it issued October 29, 2009 and expiring May 1, 2014. 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.
Identity
| Facility as filed | CITY OF MOUNT CALM WWTP |
|---|---|
| Permittee as filed | MOUNT CALM, CITY OF |
| NPDES ID | TX0062162 |
| 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 29, 2009 |
| Expiration date | May 1, 2014 |
| Address | Mount Calm, TX 76673 |
| Receiving water | UNNAMED TRIB NAVASOTA RIVER,LAKE ME |
| Subwatershed | Grays Branch-Navasota River (HUC 120701030101) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 37Pollutants on file
- 36Under a numeric limit
- 36With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 3 | 259 | 166 | May 31, 2021 | 766% over the limit |
| Solids, total suspended | 2 | 188 | 138 | February 28, 2023 | 409% over the limit |
| pH | 3 | 189 | 123 | April 30, 2021 | |
| E. coli | 2 | 123 | 92 | February 28, 2023 | 1,873% over the limit |
| Oxygen, dissolved [DO] | 1 | 64 | 12 | April 30, 2021 | 75% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 119 | 4 | January 31, 2019 | 372% over the limit |
| Chlorine, total residual | 0 | 25 | 1 | November 30, 2023 | 86% over the limit |
| Arsenic, dry weight | 5 | 10 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 10 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 8 | 0 | ||
| Annual amt sludge transported interstate | 1 | 8 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 7 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 7 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 7 | 0 | ||
| Annual amt of sludge incinerated | 1 | 7 | 0 | ||
| Annual sludge production, total | 1 | 7 | 0 | ||
| Annual amount of sludge land applied | 1 | 7 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 7 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 7 | 0 | ||
| Selenium, dry weight | 3 | 6 | 0 | ||
| Copper, dry weight | 3 | 6 | 0 | ||
| Cadmium, dry weight | 3 | 6 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 6 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 6 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 6 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 6 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 6 | 0 | ||
| Nickel, total [as Ni] | 2 | 4 | 0 | ||
| Level of pathogen requirements achieved | 2 | 4 | 0 | ||
| Description of pathogen option used | 2 | 4 | 0 | ||
| Vector attraction reduction alternative used | 2 | 4 | 0 | ||
| Fecal coliform | 1 | 3 | 0 | ||
| Salmonella | 1 | 3 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 2 | 0 | ||
| Boundary areas | 1 | 2 | 0 | ||
| Pollutant table from 503.13 | 1 | 2 | 0 | ||
| Annual whole sludge application rate | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 2, 2019 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| June 6, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0062162.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES TX0062162.
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
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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 TX0062162 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.