diff --git a/GameEngine/Lang/en.php b/GameEngine/Lang/en.php
index b6d2b494..18cd5c36 100755
--- a/GameEngine/Lang/en.php
+++ b/GameEngine/Lang/en.php
@@ -1299,6 +1299,9 @@ tz_def('STONEMASON_DESC', 'The Stonemason is an expert it cutting stone. The hig
 
 tz_def('BREWERY', 'Brewery');
 tz_def('CURRENT_BONUS', 'Current bonus:');
+tz_def('WATERWORKS_HINT', '(Boost by Waterworks)');
+tz_def('WATERWORKS_AFFECTED', 'annexed oases benefit from this bonus.');
+tz_def('OASIS_EFFECTIVE_BONUS', 'Effective oasis bonus:');
 tz_def('BONUS_LEVEL', 'Bonus at level');
 tz_def('BREWERY_DESC', 'Tasty mead is brewed here.Drinks make your soldiers braver and stronger when attacking others (1% per Brewery level). Unfortunately, the persuasive power of leaders is reduced by 50% and catapults can only make random hits. Can only be built in the capital, but affects all your villages. The mead-festivals always last 72 hours.<br>Tribe-specific: Teutons only');
 tz_def('MEAD_FESTIVAL', 'Mead-Festival');
diff --git a/Templates/Build/37_land.tpl b/Templates/Build/37_land.tpl
index a0ec3131..2b8e80d7 100644
--- a/Templates/Build/37_land.tpl
+++ b/Templates/Build/37_land.tpl
@@ -21,6 +21,21 @@
 
 	$oasisarray = $database->getOasis($village->wid);
 
+	// Waterworks (gid 45, Egipteni): creste bonusul oazelor cu +5% relativ / nivel.
+	// Determin nivelul din satul curent si factorul efectiv (25% de baza).
+	global $bid45;
+	$wwLevel = 0;
+	$wwFactor = 0.25;
+	for ($wwi = 19; $wwi <= 40; $wwi++) {
+		if (isset($village->resarray['f'.$wwi.'t']) && (int)$village->resarray['f'.$wwi.'t'] == 45) {
+			$wwLevel = max($wwLevel, (int)$village->resarray['f'.$wwi]);
+		}
+	}
+	if ($wwLevel > 0 && isset($bid45[$wwLevel]['attri'])) {
+		$wwFactor = 0.25 * (1 + $bid45[$wwLevel]['attri']);
+	}
+	$wwMultiplier = $wwFactor / 0.25; // 1.0 fara Waterworks, 1.5 la nivel maxim
+
 	if (isset($_GET['gid']) && $_GET['gid'] == 37 && isset($_GET['del']) && $database->getOasisField($_GET['del'], 'owner') == $session->uid) {
 		$units->returnTroops($village->wid, 1);
 		$database->removeOases($_GET['del']);
@@ -57,7 +72,7 @@
 
 	// Replace the original switch with 12 identical cases as the structure.
 	// Unknown types => empty string, just like the lack of a 'default' in the original switch.
-	$renderOasisBonus = function ($type) use ($oasisResourceIcons, $oasisTypeBonuses) {
+	$renderOasisBonus = function ($type) use ($oasisResourceIcons, $oasisTypeBonuses, $wwMultiplier, $wwLevel) {
 		if (!isset($oasisTypeBonuses[$type])) {
 			return '';
 		}
@@ -66,7 +81,15 @@
 		foreach ($oasisTypeBonuses[$type] as $bonus) {
 			[$resource, $percent] = $bonus;
 			$icon = $oasisResourceIcons[$resource];
-			$html .= '<img class="' . $icon['class'] . '" src="img/x.gif" alt="' . $icon['alt'] . '" title="' . $icon['title'] . '" />+' . $percent . '%';
+			// procentul efectiv (bonusul fizic al oazei x multiplicatorul Waterworks)
+			$effective = $percent * $wwMultiplier;
+			// afisez cifra rotunda daca e intreaga, altfel o zecimala (25 -> 25, 37.5 -> 37.5)
+			$effStr = ($effective == floor($effective)) ? (string)(int)$effective : rtrim(rtrim(number_format($effective, 1, '.', ''), '0'), '.');
+			$html .= '<img class="' . $icon['class'] . '" src="img/x.gif" alt="' . $icon['alt'] . '" title="' . $icon['title'] . '" />+' . $effStr . '%';
+			// cand Waterworks e activ, arat si bonusul de baza barat pentru context
+			if ($wwLevel > 0 && $effective != $percent) {
+				$html .= ' <span class="ww_base">(' . $percent . '%)</span>';
+			}
 		}
 
 		return $html;
@@ -112,3 +135,13 @@ if (!empty($oasisarray)) {
 <?php } ?>
 </tbody>
 </table>
+
+<?php if ($wwLevel > 0): ?>
+<p class="ww_summary">
+	<img class="building g45" src="img/x.gif" alt="<?php echo WATERWORKS; ?>" title="<?php echo WATERWORKS; ?>" />
+	<?php echo WATERWORKS; ?> <?php echo LEVEL; ?> <?php echo $wwLevel; ?> &mdash;
+	<?php echo CURRENT_BONUS; ?> <b>+<?php echo (int)round($bid45[$wwLevel]['attri'] * 100); ?>%</b>
+	<?php echo WATERWORKS_HINT; ?>
+</p>
+<?php endif; ?>
+
diff --git a/Templates/Build/45.tpl b/Templates/Build/45.tpl
index e607989c..64df51c0 100644
--- a/Templates/Build/45.tpl
+++ b/Templates/Build/45.tpl
@@ -25,6 +25,14 @@ include("next.tpl");
 
 $level = (int)$village->resarray['f'.$id];
 $current = $level > 0 ? (int)round($bid45[$level]['attri'] * 100) : 0;
+
+// numarul de oaze anexate de acest sat (pentru a arata impactul concret)
+$wwOasisCount = 0;
+$wwOasisList = $database->getOasis($village->wid);
+if (!empty($wwOasisList)) $wwOasisCount = count($wwOasisList);
+// procentul efectiv al unei oaze standard (25% de baza)
+$wwEffective = $level > 0 ? 25 * (1 + $bid45[$level]['attri']) : 25;
+$wwEffStr = ($wwEffective == floor($wwEffective)) ? (string)(int)$wwEffective : rtrim(rtrim(number_format($wwEffective, 1, '.', ''), '0'), '.');
 ?>
 <div id="build" class="gid45">
     <a href="#" onClick="return Popup(45,4);" class="build_logo">
@@ -48,6 +56,17 @@ $current = $level > 0 ? (int)round($bid45[$level]['attri'] * 100) : 0;
             <td><b><?php echo $nextBonus;?></b> <?php echo PERCENT;?></td>
         </tr>
         <?php endif;?>
+        <?php if ($level > 0): ?>
+        <tr>
+            <th><?php echo OASIS_EFFECTIVE_BONUS;?></th>
+            <td>25% &rarr; <b><?php echo $wwEffStr;?>%</b></td>
+        </tr>
+        <?php if ($wwOasisCount > 0): ?>
+        <tr>
+            <th><?php echo OASES;?></th>
+            <td><b><?php echo $wwOasisCount;?></b> <?php echo WATERWORKS_AFFECTED;?></td>
+        </tr>
+        <?php endif; endif; ?>
     </table>
 
     <?php include("upgrade.tpl");?>
diff --git a/gpack/travian_default/lang/en/compact.css b/gpack/travian_default/lang/en/compact.css
index 0af0f641..1f8375a3 100644
--- a/gpack/travian_default/lang/en/compact.css
+++ b/gpack/travian_default/lang/en/compact.css
@@ -9517,7 +9517,25 @@ input.accept{width:12px;height:12px;background-image:url(../../img/a/acc.gif);}
     text-align:center;
     margin-top:15px;
 }
-
+/* Waterworks (Egipteni): bonusul efectiv al oazelor in 37_land */
+#oases td.res span.ww_base {
+    color: #999;
+    font-size: 10px;
+    text-decoration: line-through;
+}
+p.ww_summary {
+    margin: 6px 0 0 0;
+    padding: 5px 8px;
+    background: #f3f6ec;
+    border: 1px solid #d9e2c4;
+    border-radius: 3px;
+    font-size: 11px;
+    color: #4a5a2a;
+}
+p.ww_summary img.building {
+    vertical-align: middle;
+    margin-right: 4px;
+}
 .error{
     color:red;
     margin-top:10px;