Tex. Codes » Water Code · TITLE 2. WATER ADMINISTRATION · SUBTITLE B. WATER RIGHTS · CHAPTER 11. WATER RIGHTS
Texas Codes

Tex. Water Code § 11.122 (2026)

Amendments To Water Rights Required

✓ current as of May 2026
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Sec. 11.122. AMENDMENTS TO WATER RIGHTS REQUIRED. (a) All holders of permits, certified filings, and certificates of adjudication issued under Section 11.323 of this code shall obtain from the commission authority to change the place of use, purpose of use, point of diversion, rate of diversion, acreage to be irrigated, or otherwise alter a water right. Without obtaining an amendment, the holder of a permit, certified filing, or certificate of adjudication that includes industrial or irrigation use may use or supply water for an agricultural use that was classified as industrial or irrigation before September 1, 2001.

(b) Subject to meeting all other applicable requirements of this chapter for the approval of an application, an amendment, except an amendment to a water right that increases the amount of water authorized to be diverted or the authorized rate of diversion, shall be authorized if the requested change will not cause adverse impact on other water right holders or the environment on the stream of greater magnitude than under circumstances in which the permit, certified filing, or certificate of adjudication that is sought to be amended was fully exercised according to its terms and conditions as they existed before the requested amendment.

(b-1) A holder of a water right that begins using desalinated seawater after acquiring the water right has a right to expedited consideration of an application for an amendment to the water right if the amendment:

(1) authorizes the applicant to divert water from a diversion point that is different from or in addition to the point or points from which the applicant was authorized to divert water before the requested amendment;

(2) authorizes the applicant to divert from the different or additional diversion point an amount of water that is equal to or less than the amount of desalinated seawater used by the applicant;

(3) authorizes the applicant to divert from all of the diversion points authorized by the water right an amount of water that is equal to or less than the amount of water the applicant was authorized to divert under the water right before the requested amendment;

(4) authorizes the applicant to divert water from all of the diversion points authorized by the water right at a combined rate that is equal to or less than the combined rate at which the applicant was authorized to divert water under the water right before the requested amendment; and

(5) does not authorize the water diverted from the different or additional diversion point to be transferred to another river basin.

(b-2) The executive director or the commission shall prioritize the technical review of an application that is subject to Subsection (b-1) over the technical review of applications that are not subject to that subsection.

(b-3) In addition to an application that meets the requirements of Subsection (b) and for which the commission has determined that notice or an opportunity for a contested case hearing is not required under another statute or a commission rule, an application for an amendment to a water right is exempt from any requirements of a statute or commission rule regarding notice and hearing or technical review by the executive director or the commission and may not be referred to the State Office of Administrative Hearings for a contested case hearing if the executive director determines after an administrative review that the application is for an amendment that:

(1) adds a purpose of use that does not substantially alter:

(A) the nature of the right from a right authorizing only nonconsumptive use to a right authorizing consumptive use; or

(B) a pattern of use that is explicitly authorized in or required by the original right;

(2) adds a place of use located in the same basin as the place of use authorized by the original right; or

(3) changes the point of diversion, provided that:

(A) the authorized rate of diversion is not increased;

(B) the original point of diversion and the new point of diversion are located in the same contiguous tract of land;

(C) the original point of diversion and the new point of diversion are from the same source of supply;

(D) there are no points of diversion from the same source of supply associated with other water rights that are located between the original point of diversion and the new point of diversion;

(E) there are no streamflow gauges located on the source of supply between the original point of diversion and the new point of diversion that are referenced in the original water right or in another water right authorizing a diversion from the same source of supply; and

(F) there are no tributary watercourses that enter the watercourse that is the source of supply located between the original point of diversion and the new point of diversion.

(c) The commission shall adopt rules to effectuate the provisions of this section.

Amended by Acts 1977, 65th Leg., p. 2207, ch. 870, Sec. 1, eff. Sept. 1, 1977; Acts 1985, 69th Leg., ch. 795, Sec. 1.008, eff. Sept. 1, 1985; Acts 1997, 75th Leg., ch. 1010, Sec. 1.03, eff. Sept. 1, 1997; Acts 2001, 77th Leg., ch. 966, Sec. 2.07, eff. Sept. 1, 2001.

Amended by:

Acts 2017, 85th Leg., R.S., Ch. 429 (S.B. 1430), Sec. 1, eff. September 1, 2017.

Acts 2017, 85th Leg., R.S., Ch. 1097 (H.B. 3735), Sec. 2, eff. September 1, 2017.

Acts 2019, 86th Leg., R.S., Ch. 467 (H.B. 4170), Sec. 17.001, eff. September 1, 2019.

Acts 2019, 86th Leg., R.S., Ch. 534 (H.B. 1964), Sec. 1, eff. June 10, 2019.

Notes of Decisions
Cited in 11 cases, 1998–2016 · leading case: City of Marshall v. City of Uncertain, 206 S.W.3d 97 (Tex. 2006).
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City of Marshall v. City of Uncertain, 206 S.W.3d 97 (Tex. 2006). · cites it 8× “Laws 1249 (current version at TEX. WATER CODE § 11.122(a)). The Legislature directed the Commission to adopt rules to effectuate the statute.”
R.E. Janes Gravel Co. v. the Texas Comm'n on Env't Quality , It's Exec. Dir., Richard A. Hyde, It's Commissioners Bryan Shaw & Toby Baker, & the City of Lubbock, 522 S.W.3d 506 (Tex. App. 2016). · cites it 4× “Appellees agree that the amendment may not adversely affect Janes but argue that any adverse effect must be evaluated under the standard prescribed in Texas Water Code section 11.122, entitled “Amendments to Water Rights Required,” which provides in pertinent part: (a) All…”
lamcos/bma v. Texas Nat. Res. Conservation Com'n, 980 S.W.2d 511 (Tex. App. 1998). “Tex. Water Code § 11.122(b) (West Supp.1998).”
Lake Medina Conservation Soc'y, Inc./Bexar-Medina-Atascosa Counties WCID No. 1 v. Texas Nat. Resource Conservation Comm'n, 980 S.W.2d 511 (Tex. App. 1998). “Tex. Water Code § 11.122(b) (West Supp.1998).”
Brownsville Irrigation Dist. v. Texas Comm'n On Env't Quality, 264 S.W.3d 458 (Tex. App. 2008). “See Tex. Water Code Ann. § 11.122 (a) (West 2008).”
Texas Water Dev. Bd. v. Ward Timber, Ltd. Ward Timber Holdings Shirley Shumake Gary Cheatwood Richard Letourneauand Pat Donelson, 411 S.W.3d 554 (Tex. App. 2013). “The Texas Supreme Court concluded that, while Tex. Water Code Ann. § 11.122 (b) (West 2008) significantly restricted the issues that may be reviewed in a contested-case proceeding, it did not preclude a contested-case hearing: Depending upon the particular amendment application,…”
Concho River Basin Water Conservancy Ass'n v. Texas Comm'n on Env't Quality (Tex. App. 2013). · cites it 2× “See generally TEX. W ATER CODE ANN. § 5.012 (West 2008).”
Lake Medina Conservation Soc'y, Inc./Bexar-Medina-Atascosa Counties WCID No. 1 & Canyon Reg'l Water Auth. v. Texas Nat. Resource Conservation Comm'n Bexar-Medina-Atascosa Counties WCID No. 1 & Canyon Reg'l Water Auth./Lake Medina Conservation Soc'y, Inc. (Tex. App. 1998). · cites it 2× “Tex. Water Code § 11.122(b) (West Supp. 1998).”
Brownsville Irrigation Dist., Bayview Irrigation Dist., Cameron Cnty. Irrigation Dist. No. 6, Hidalgo & Cameron Counties Irrigation Dist. No. 9, & Valley Acres Irrigation Dist. v. Texas Comm'n on Env't Quality Presidio Valley Farms, Inc. Maverick Cnty. City of Laredo & City of Eagle Pass Water Works Sys. (Tex. App. 2008). “See Tex. Water Code Ann. § 11.122 (a) (West 2008).”
Brownsville Irrigation Dist., Bayview Irrigation Dist., Cameron Cnty. Irrigation Dist. No. 6, Hidalgo & Cameron Counties Irrigation Dist. No. 9, & Valley Acres Irrigation Dist. v. Texas Comm'n on Env't Quality Presidio Valley Farms, Inc. Maverick Cnty. City of Laredo & City of Eagle Pass Water Works Sys. (Tex. App. 2008). “See Tex. Water Code Ann. § 11.122 (a) (West 2008).”
Brownsville Irr. Dist. v. Tx. Com'n, Envir. Qual., 264 S.W.3d 458 (Tex. App. 2008). “See Tex. Water Code Ann. § 11.122 (a) (West 2008).”
— Tex. Water Code § 11.122(a) — 1 case
City of Marshall v. City of Uncertain, 206 S.W.3d 97 (Tex. 2006). “Laws 1249 (current version at TEX. WATER CODE § 11.122(a)). The Legislature directed the Commission to adopt rules to effectuate the statute.”
— Tex. Water Code § 11.122(b) — 5 cases
City of Marshall v. City of Uncertain, 206 S.W.3d 97 (Tex. 2006). “Laws 1249 (current version at TEX. WATER CODE § 11.122(a)). The Legislature directed the Commission to adopt rules to effectuate the statute.”
lamcos/bma v. Texas Nat. Res. Conservation Com'n, 980 S.W.2d 511 (Tex. App. 1998). “Tex. Water Code § 11.122(b) (West Supp.1998).”
Lake Medina Conservation Soc'y, Inc./Bexar-Medina-Atascosa Counties WCID No. 1 v. Texas Nat. Resource Conservation Comm'n, 980 S.W.2d 511 (Tex. App. 1998). “Tex. Water Code § 11.122(b) (West Supp.1998).”
Concho River Basin Water Conservancy Ass'n v. Texas Comm'n on Env't Quality (Tex. App. 2013). “See generally TEX. W ATER CODE ANN. § 5.012 (West 2008).”
Lake Medina Conservation Soc'y, Inc./Bexar-Medina-Atascosa Counties WCID No. 1 & Canyon Reg'l Water Auth. v. Texas Nat. Resource Conservation Comm'n Bexar-Medina-Atascosa Counties WCID No. 1 & Canyon Reg'l Water Auth./Lake Medina Conservation Soc'y, Inc. (Tex. App. 1998). “Tex. Water Code § 11.122(b) (West Supp. 1998).”
— Tex. Water Code § 11.122(c) — 1 case
City of Marshall v. City of Uncertain, 206 S.W.3d 97 (Tex. 2006). “Laws 1249 (current version at TEX. WATER CODE § 11.122(a)). The Legislature directed the Commission to adopt rules to effectuate the statute.”
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