Clean Water Act discharge permit · NPDES TX0089630
DEL LAGO WWTF, Montgomery, TX: NPDES TX0089630 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
DEL LAGO WWTF, held by CONROE RESORTS UTILITIES LLC, holds NPDES permit TX0089630, which discharges to Lake Conroe. EPA’s file records it issued September 26, 2017 and expiring June 1, 2022.
DEL LAGO WWTF, Montgomery, Texas: Individual permit TX0089630, held by CONROE RESORTS UTILITIES LLC; Administratively continued (past its expiration date and still in force until reissued); issued September 26, 2017, term to June 1, 2022; discharges to LAKE CONROE.
- Nitrogen, ammonia total [as N]: 3 limits, 44 violations of any kind, 20 effluent exceedances, latest May 31, 2025, largest 547% over the limit.
- Solids, total suspended: 3 limits, 98 violations of any kind, 5 effluent exceedances, latest September 30, 2018, largest 21% over the limit.
- E. coli: 2 limits, 14 violations of any kind, 2 effluent exceedances, latest August 31, 2024, largest 1,820% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 69 violations of any kind, 1 effluent exceedance, latest March 31, 2018, largest 8% over the limit.
- BOD, 5-day, 20 deg. C: 0 limits, 78 violations of any kind, 0 effluent exceedances.
- pH: 3 limits, 71 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 2 limits, 68 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 1 limit, 34 violations of any kind, 0 effluent exceedances.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 24 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 5 limits, 15 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 15 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 9 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 9 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 9 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 9 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 9 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 9 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 9 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 9 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
- Level of pathogen requirements achieved: 2 limits, 6 violations of any kind, 0 effluent exceedances.
- Description of pathogen option used: 2 limits, 6 violations of any kind, 0 effluent exceedances.
- Vector attraction reduction alternative used: 2 limits, 6 violations of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 1 limit, 5 violations of any kind, 0 effluent exceedances.
- Compliance w/part 258 sludge requirement: 1 limit, 5 violations of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Fecal coliform: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Unit w/liner/leachate collection system: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Boundary areas: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Salmonella: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Pollutant table from 503.13: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual whole sludge application rate: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- November 8, 2018: Permit Violations - Violation Specified in Comment (ST6).
DEL LAGO WWTF among its neighbors
EPA’s permit file holds 76 discharge permits in the Town Creek-Conroe Lake subwatershed (HUC 120401010206), TX0089630 among them. Its county holds 1,439, 16 of them major permits; TX0089630 is a minor permit.
Other permits in the Town Creek-Conroe Lake subwatershed (HUC 120401010206)
- 10533 W FM 1097, Willis: TXR1568MO, minor permit, discharging to LAKE CONROE, permit term to March 4, 2028
- 10918 DECATUR STREET, Willis: TXR1513ZB, minor permit, discharging to LAKE CONROE, permit term to March 4, 2028
- ADF EXCAVATION PIT, Willis: TXR05DX64, minor permit, permit term to August 13, 2021
- BRIARLEY, Montgomery: TXR1579UB, minor permit, discharging to THE SAN JACINTO RIVER BASIN, permit term to March 4, 2028
- CAPE CONROE, Montgomery: TXR1556XM, minor permit, discharging to LAKE CONROE, permit term to March 4, 2028
- CHAPEL BEND, Montgomery: TXR1565ME, minor permit, discharging to CARWILE CREEK, permit term to March 4, 2028
- CHAPEL RUN, Conroe: TXR1597XN, minor permit, discharging to WEST FORK SAN JACINTO RIVER, permit term to March 4, 2028
- DEL LAGO ESTATES WWTP, Montgomery: TX0104060, minor permit, discharging to LAKE CONROE, permit term to June 1, 2022
- DETENTION TO SERVE TRIB 4X-1 AT THE WOODLANDS HILL, Willis: TXR1560PF, minor permit, discharging to STEWARTS CREEK, permit term to March 4, 2028
- DIAMONDHEAD, Montgomery: TXR1519RK, minor permit, discharging to LAKE CONROE, permit term to March 4, 2028
Identity
| Facility as filed | DEL LAGO WWTF |
|---|---|
| Permittee as filed | CONROE RESORTS UTILITIES LLC |
| NPDES ID | TX0089630 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 26, 2017 |
| Expiration date | June 1, 2022 |
| Address | Montgomery, TX 77356 |
| Receiving water | LAKE CONROE |
| Subwatershed | Town Creek-Conroe Lake (HUC 120401010206) |
Effluent limits and exceedances
- 39Pollutants on file
- 38Under a numeric limit
- 39With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 3 | 44 | 20 | May 31, 2025 | 547% over the limit |
| Solids, total suspended | 3 | 98 | 5 | September 30, 2018 | 21% over the limit |
| E. coli | 2 | 14 | 2 | August 31, 2024 | 1,820% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 69 | 1 | March 31, 2018 | 8% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 78 | 0 | ||
| pH | 3 | 71 | 0 | ||
| Chlorine, total residual | 2 | 68 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 34 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 3 | 24 | 0 | ||
| Arsenic, dry weight | 5 | 15 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 15 | 0 | ||
| Selenium, dry weight | 3 | 9 | 0 | ||
| Copper, dry weight | 3 | 9 | 0 | ||
| Cadmium, dry weight | 3 | 9 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 9 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 9 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 9 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 9 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 9 | 0 | ||
| Nickel, total [as Ni] | 2 | 6 | 0 | ||
| Level of pathogen requirements achieved | 2 | 6 | 0 | ||
| Description of pathogen option used | 2 | 6 | 0 | ||
| Vector attraction reduction alternative used | 2 | 6 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 5 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 5 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 4 | 0 | ||
| Fecal coliform | 1 | 3 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 3 | 0 | ||
| Annual amt of sludge incinerated | 1 | 3 | 0 | ||
| Annual sludge production, total | 1 | 3 | 0 | ||
| Annual amount of sludge land applied | 1 | 3 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 3 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 3 | 0 | ||
| Annual amt sludge transported interstate | 1 | 3 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 3 | 0 | ||
| Boundary areas | 1 | 3 | 0 | ||
| Salmonella | 1 | 3 | 0 | ||
| Pollutant table from 503.13 | 1 | 3 | 0 | ||
| Annual whole sludge application rate | 1 | 1 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 8, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0089630.
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 TX0089630.
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, TX0089630.
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
Nearby on the register
- Discharge permits in Montgomery
- Every permit record in Montgomery, A to Z
- Discharge permits in Texas
- Every permit record in Texas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.