Clean Water Act discharge permit · NPDES TXG110964
ALAMO CONCRETE PRODUCTS PLANT 61, San Marcos, TX: NPDES TXG110964 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
ALAMO CONCRETE PRODUCTS PLANT 61, held by ALAMO CONCRETE PRODUCTS COMPANY, holds NPDES permit TXG110964, which discharges to San Marcos River. EPA’s file records it issued March 17, 2017 and expiring November 7, 2021. 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 | ALAMO CONCRETE PRODUCTS PLANT 61 |
|---|---|
| Permittee as filed | ALAMO CONCRETE PRODUCTS COMPANY |
| NPDES ID | TXG110964 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 17, 2017 |
| Expiration date | November 7, 2021 |
| Address | San Marcos, TX 78666 |
| Receiving water | SAN MARCOS RIVER |
| Subwatershed | Morrison Creek-San Marcos River (HUC 121002030304) |
| SIC | 3273 – Ready-Mixed Concrete |
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
- 20Pollutants on file
- 20Under a numeric limit
- 4With 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 |
|---|---|---|---|---|---|
| pH | 2 | 2 | 0 | ||
| Solids, total suspended | 1 | 1 | 0 | ||
| Oil & Grease | 1 | 1 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 1 | 0 | ||
| Arsenic, total [as As] | 1 | 0 | 0 | ||
| Barium, total [as Ba] | 1 | 0 | 0 | ||
| Cadmium, total [as Cd] | 1 | 0 | 0 | ||
| Chromium, total [as Cr] | 1 | 0 | 0 | ||
| Copper, total [as Cu] | 1 | 0 | 0 | ||
| Lead, total [as Pb] | 1 | 0 | 0 | ||
| Manganese, total [as Mn] | 1 | 0 | 0 | ||
| Nickel, total [as Ni] | 1 | 0 | 0 | ||
| Silver, total [as Ag] | 1 | 0 | 0 | ||
| Zinc, total [as Zn] | 1 | 0 | 0 | ||
| Selenium, total [as Se] | 1 | 0 | 0 | ||
| Whole effluent toxicity - retest #1 | 1 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 1 | 0 | 0 | ||
| Mercury, total [as Hg] | 1 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXG110964.
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 TXG110964.
Inspections
EPA’s inspection file holds no inspection for NPDES TXG110964.
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 TXG110964.
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, TXG110964.
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 TXG110964 there.
ALAMO CONCRETE PRODUCTS PLANT 61, San Marcos, Texas: Coverage under a general permit TXG110964, held by ALAMO CONCRETE PRODUCTS COMPANY; Administratively continued (past its expiration date and still in force until reissued); issued March 17, 2017, term to November 7, 2021; discharges to SAN MARCOS RIVER.
16 of the 20 pollutants listed for NPDES TXG110964 have no violation or effluent exceedance.
- pH: 2 limits, 2 violations of any kind.
- Solids, total suspended: 1 limit, 1 violation of any kind.
- Oil & Grease: 1 limit, 1 violation of any kind.
- Flow, in conduit or thru treatment plant: 1 limit, 1 violation of any kind.
- Arsenic, total [as As]: 1 limit.
- Barium, total [as Ba]: 1 limit.
- Cadmium, total [as Cd]: 1 limit.
- Chromium, total [as Cr]: 1 limit.
- Copper, total [as Cu]: 1 limit.
- Lead, total [as Pb]: 1 limit.
- Manganese, total [as Mn]: 1 limit.
- Nickel, total [as Ni]: 1 limit.
- Silver, total [as Ag]: 1 limit.
- Zinc, total [as Zn]: 1 limit.
- Selenium, total [as Se]: 1 limit.
- Whole effluent toxicity - retest #1: 1 limit.
- Whole effluent toxicity - retest #2: 1 limit.
- Mercury, total [as Hg]: 1 limit.
- LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit.
- LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit.
Other permits held by ALAMO CONCRETE PRODUCTS COMPANY
- ALAMO CONCRETE PRODUCTS PLANT 82, Kenedy: TXG110078, issued 2017-03-14
- ALAMO CONCRETE PRODUCTS OLD OCEAN PLANT 58, Old Ocean: TXG110080, issued 2017-03-14
- ALAMO CONCRETE PRODUCTS PLANT 73, Floresville: TXG110089, issued 2017-03-16
- ALAMO CONCRETE PRODUCTS PLANT 77, Kerrville: TXG110090, issued 2017-03-16
- ALAMO CONCRETE PRODUCTS PLANT 3, San Antonio: TXG110092, issued 2017-03-16
- ALAMO CONCRETE PRODUCTS SAN ANTONIO PLANT 4, San Antonio: TXG110093, issued 2017-03-16
- ALAMO CONCRETE PRODUCTS PLANT 8, San Antonio: TXG110095, issued 2017-03-16
- ALAMO CONCRETE PRODUCTS PLANT 28, San Antonio: TXG110096, issued 2017-03-16
- ALAMO CONCRETE PRODUCTS PLANT 13, Ingleside: TXG110107, issued 2017-03-16
- ALAMO CONCRETE PRODUCTS PLANT 84, Elgin: TXG110563, issued 2017-03-16
ALAMO CONCRETE PRODUCTS PLANT 61 among its neighbors
48 discharge permits are in the Morrison Creek-San Marcos River subwatershed (HUC 121002030304); TXG110964 is one. Its county: 410, 3 major; TXG110964 is minor permit.
Other permits in the Morrison Creek-San Marcos River subwatershed (HUC 121002030304)
- ADDIES PT WATER CARNEYS WATER & SEWER AND RIVER BEND SEWER, San Marcos: TXR1558TO, minor, term to 2028-03-04
- ALERRT CENTER IMPROVEMENTS, Maxwell: TXR1536YC, minor, term to 2028-03-04
- ANSON CROSSING, Maxwell: TXR1574TG, minor, term to 2028-03-04
- COTTON CENTER MARTINDALE WWTP, Caldwell County: TX0140554, minor, term to 2029-04-18
- COTTON GATEWAY, Maxwell: TXR1560UG, minor, term to 2028-03-04
- COTTON GATEWAY - HOME BUILDING, San Marcos: TXR1565TV, minor, term to 2028-03-04
- COTTON GATEWAY - LAND DEVELOPMENT, San Marcos: TXR1502QO, minor, term to 2028-03-04
- COTTON GATEWAY - PH 1, San Marcos: TXR1599QH, minor, term to 2028-03-04
- ENERGY PARKWAY, San Marcos: TXR1565QL, minor, term to 2028-03-04
- GARY SPORTS COMPLEX ADULT SOFTBALL RENOVATIONS, San Marcos: TXR1518QE, minor, term to 2028-03-04
Nearby on the register
- Discharge permits in San Marcos
- Every permit record in San Marcos, A to Z
- Discharge permits in Texas
- Every permit record in Texas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.
What this page shows
This public-records page covers Clean Water Act discharge permit NPDES TXG110964 for Alamo Concrete Products Plant 61 in San Marcos, TX, which discharges to the San Marcos River within the Morrison Creek-San Marcos River subwatershed (HUC 121002030304). The page lists a permit status of administratively continued, a Minor discharger class of 20, zero pollutants under a numeric limit, and zero pollutants with an effluent exceedance.